389032020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 216

約数和(自身を含む): 1320745608

約数和(自身を除く): 931713588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 173, 180, 186, 195, 234, 260, 279, 310, 346, 372, 390, 403, 465, 468, 519, 558, 585, 620, 692, 780, 806, 865, 930, 961, 1038, 1116, 1170, 1209, 1395, 1557, 1612, 1730, 1860, 1922, 2015, 2076, 2249, 2340, 2418, 2595, 2790, 2883, 3114, 3460, 3627, 3844, 4030, 4498, 4805, 4836, 5190, 5363, 5580, 5766, 6045, 6228, 6747, 7254, 7785, 8060, 8649, 8996, 9610, 10380, 10726, 11245, 11532, 12090, 12493, 13494, 14415, 14508, 15570, 16089, 17298, 18135, 19220, 20241, 21452, 22490, 24180, 24986, 26815, 26988, 28830, 31140, 32178, 33735, 34596, 36270, 37479, 40482, 43245, 44980, 48267, 49972, 53630, 57660, 62465, 64356, 67470, 69719, 72540, 74958, 80445, 80964, 86490, 96534, 101205, 107260, 112437, 124930, 134940, 139438, 149916, 160890, 166253, 172980, 187395, 193068, 202410, 209157, 224874, 241335, 249860, 278876, 321780, 332506, 348595, 374790, 404820, 418314, 449748, 482670, 498759, 562185, 627471, 665012, 697190, 749580, 831265, 836628, 965340, 997518, 1045785, 1124370, 1254942, 1394380, 1496277, 1662530, 1995036, 2091570, 2161289, 2248740, 2493795, 2509884, 2992554, 3137355, 3325060, 4183140, 4322578, 4987590, 5985108, 6274710, 6483867, 7481385, 8645156, 9975180, 10806445, 12549420, 12967734, 14962770, 19451601, 21612890, 25935468, 29925540, 32419335, 38903202, 43225780, 64838670, 77806404, 97258005, 129677340, 194516010, 389032020]

約数ペア:

[(1, 389032020), (2, 194516010), (3, 129677340), (4, 97258005), (5, 77806404), (6, 64838670), (9, 43225780), (10, 38903202), (12, 32419335), (13, 29925540), (15, 25935468), (18, 21612890), (20, 19451601), (26, 14962770), (30, 12967734), (31, 12549420), (36, 10806445), (39, 9975180), (45, 8645156), (52, 7481385), (60, 6483867), (62, 6274710), (65, 5985108), (78, 4987590), (90, 4322578), (93, 4183140), (117, 3325060), (124, 3137355), (130, 2992554), (155, 2509884), (156, 2493795), (173, 2248740), (180, 2161289), (186, 2091570), (195, 1995036), (234, 1662530), (260, 1496277), (279, 1394380), (310, 1254942), (346, 1124370), (372, 1045785), (390, 997518), (403, 965340), (465, 836628), (468, 831265), (519, 749580), (558, 697190), (585, 665012), (620, 627471), (692, 562185), (780, 498759), (806, 482670), (865, 449748), (930, 418314), (961, 404820), (1038, 374790), (1116, 348595), (1170, 332506), (1209, 321780), (1395, 278876), (1557, 249860), (1612, 241335), (1730, 224874), (1860, 209157), (1922, 202410), (2015, 193068), (2076, 187395), (2249, 172980), (2340, 166253), (2418, 160890), (2595, 149916), (2790, 139438), (2883, 134940), (3114, 124930), (3460, 112437), (3627, 107260), (3844, 101205), (4030, 96534), (4498, 86490), (4805, 80964), (4836, 80445), (5190, 74958), (5363, 72540), (5580, 69719), (5766, 67470), (6045, 64356), (6228, 62465), (6747, 57660), (7254, 53630), (7785, 49972), (8060, 48267), (8649, 44980), (8996, 43245), (9610, 40482), (10380, 37479), (10726, 36270), (11245, 34596), (11532, 33735), (12090, 32178), (12493, 31140), (13494, 28830), (14415, 26988), (14508, 26815), (15570, 24986), (16089, 24180), (17298, 22490), (18135, 21452), (19220, 20241)]