399112740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 288

約数和(自身を含む): 1408942080

約数和(自身を除く): 1009829340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 79, 85, 90, 102, 117, 127, 130, 153, 156, 158, 170, 180, 195, 204, 221, 234, 237, 254, 255, 260, 306, 316, 340, 381, 390, 395, 442, 468, 474, 508, 510, 585, 612, 635, 663, 711, 762, 765, 780, 790, 884, 948, 1020, 1027, 1105, 1143, 1170, 1185, 1270, 1326, 1343, 1422, 1524, 1530, 1580, 1651, 1905, 1989, 2054, 2159, 2210, 2286, 2340, 2370, 2540, 2652, 2686, 2844, 3060, 3081, 3302, 3315, 3555, 3810, 3978, 4029, 4108, 4318, 4420, 4572, 4740, 4953, 5135, 5372, 5715, 6162, 6477, 6604, 6630, 6715, 7110, 7620, 7956, 8058, 8255, 8636, 9243, 9906, 9945, 10033, 10270, 10795, 11430, 12087, 12324, 12954, 13260, 13430, 14220, 14859, 15405, 16116, 16510, 17459, 18486, 19431, 19812, 19890, 20066, 20145, 20540, 21590, 22860, 24174, 24765, 25908, 26860, 28067, 29718, 30099, 30810, 32385, 33020, 34918, 36972, 38862, 39780, 40132, 40290, 43180, 46215, 48348, 49530, 50165, 52377, 56134, 59436, 60198, 60435, 61620, 64770, 69836, 74295, 77724, 80580, 84201, 87295, 90297, 92430, 97155, 99060, 100330, 104754, 112268, 120396, 120870, 129540, 130429, 140335, 148590, 150495, 157131, 168402, 170561, 174590, 180594, 184860, 194310, 200660, 209508, 241740, 252603, 260858, 261885, 280670, 297180, 300990, 314262, 336804, 341122, 349180, 361188, 388620, 391287, 421005, 451485, 505206, 511683, 521716, 523770, 561340, 601980, 628524, 652145, 682244, 782574, 785655, 842010, 852805, 902970, 1010412, 1023366, 1047540, 1173861, 1263015, 1304290, 1535049, 1565148, 1571310, 1684020, 1705610, 1805940, 1956435, 2046732, 2217293, 2347722, 2526030, 2558415, 2608580, 3070098, 3142620, 3411220, 3912870, 4434586, 4695444, 5052060, 5116830, 5869305, 6140196, 6651879, 7675245, 7825740, 8869172, 10233660, 11086465, 11738610, 13303758, 15350490, 19955637, 22172930, 23477220, 26607516, 30700980, 33259395, 39911274, 44345860, 66518790, 79822548, 99778185, 133037580, 199556370, 399112740]

約数ペア:

[(1, 399112740), (2, 199556370), (3, 133037580), (4, 99778185), (5, 79822548), (6, 66518790), (9, 44345860), (10, 39911274), (12, 33259395), (13, 30700980), (15, 26607516), (17, 23477220), (18, 22172930), (20, 19955637), (26, 15350490), (30, 13303758), (34, 11738610), (36, 11086465), (39, 10233660), (45, 8869172), (51, 7825740), (52, 7675245), (60, 6651879), (65, 6140196), (68, 5869305), (78, 5116830), (79, 5052060), (85, 4695444), (90, 4434586), (102, 3912870), (117, 3411220), (127, 3142620), (130, 3070098), (153, 2608580), (156, 2558415), (158, 2526030), (170, 2347722), (180, 2217293), (195, 2046732), (204, 1956435), (221, 1805940), (234, 1705610), (237, 1684020), (254, 1571310), (255, 1565148), (260, 1535049), (306, 1304290), (316, 1263015), (340, 1173861), (381, 1047540), (390, 1023366), (395, 1010412), (442, 902970), (468, 852805), (474, 842010), (508, 785655), (510, 782574), (585, 682244), (612, 652145), (635, 628524), (663, 601980), (711, 561340), (762, 523770), (765, 521716), (780, 511683), (790, 505206), (884, 451485), (948, 421005), (1020, 391287), (1027, 388620), (1105, 361188), (1143, 349180), (1170, 341122), (1185, 336804), (1270, 314262), (1326, 300990), (1343, 297180), (1422, 280670), (1524, 261885), (1530, 260858), (1580, 252603), (1651, 241740), (1905, 209508), (1989, 200660), (2054, 194310), (2159, 184860), (2210, 180594), (2286, 174590), (2340, 170561), (2370, 168402), (2540, 157131), (2652, 150495), (2686, 148590), (2844, 140335), (3060, 130429), (3081, 129540), (3302, 120870), (3315, 120396), (3555, 112268), (3810, 104754), (3978, 100330), (4029, 99060), (4108, 97155), (4318, 92430), (4420, 90297), (4572, 87295), (4740, 84201), (4953, 80580), (5135, 77724), (5372, 74295), (5715, 69836), (6162, 64770), (6477, 61620), (6604, 60435), (6630, 60198), (6715, 59436), (7110, 56134), (7620, 52377), (7956, 50165), (8058, 49530), (8255, 48348), (8636, 46215), (9243, 43180), (9906, 40290), (9945, 40132), (10033, 39780), (10270, 38862), (10795, 36972), (11430, 34918), (12087, 33020), (12324, 32385), (12954, 30810), (13260, 30099), (13430, 29718), (14220, 28067), (14859, 26860), (15405, 25908), (16116, 24765), (16510, 24174), (17459, 22860), (18486, 21590), (19431, 20540), (19812, 20145), (19890, 20066)]