388751220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1423

約数の個数: 216

約数和(自身を含む): 1396879848

約数和(自身を除く): 1008128628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 121, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 242, 260, 286, 330, 363, 390, 396, 429, 468, 484, 495, 572, 585, 605, 660, 715, 726, 780, 858, 990, 1089, 1170, 1210, 1287, 1373, 1430, 1452, 1573, 1716, 1815, 1980, 2145, 2178, 2340, 2420, 2574, 2746, 2860, 3146, 3630, 4119, 4290, 4356, 4719, 5148, 5445, 5492, 6292, 6435, 6865, 7260, 7865, 8238, 8580, 9438, 10890, 12357, 12870, 13730, 14157, 15103, 15730, 16476, 17849, 18876, 20595, 21780, 23595, 24714, 25740, 27460, 28314, 30206, 31460, 35698, 41190, 45309, 47190, 49428, 53547, 56628, 60412, 61785, 70785, 71396, 75515, 82380, 89245, 90618, 94380, 107094, 123570, 135927, 141570, 151030, 160641, 166133, 178490, 181236, 196339, 214188, 226545, 247140, 267735, 271854, 283140, 302060, 321282, 332266, 356980, 392678, 453090, 498399, 535470, 543708, 589017, 642564, 664532, 679635, 785356, 803205, 830665, 906180, 981695, 996798, 1070940, 1178034, 1359270, 1495197, 1606410, 1661330, 1767051, 1963390, 1993596, 2159729, 2356068, 2491995, 2718540, 2945085, 2990394, 3212820, 3322660, 3534102, 3926780, 4319458, 4983990, 5890170, 5980788, 6479187, 7068204, 7475985, 8638916, 8835255, 9967980, 10798645, 11780340, 12958374, 14951970, 17670510, 19437561, 21597290, 25916748, 29903940, 32395935, 35341020, 38875122, 43194580, 64791870, 77750244, 97187805, 129583740, 194375610, 388751220]

約数ペア:

[(1, 388751220), (2, 194375610), (3, 129583740), (4, 97187805), (5, 77750244), (6, 64791870), (9, 43194580), (10, 38875122), (11, 35341020), (12, 32395935), (13, 29903940), (15, 25916748), (18, 21597290), (20, 19437561), (22, 17670510), (26, 14951970), (30, 12958374), (33, 11780340), (36, 10798645), (39, 9967980), (44, 8835255), (45, 8638916), (52, 7475985), (55, 7068204), (60, 6479187), (65, 5980788), (66, 5890170), (78, 4983990), (90, 4319458), (99, 3926780), (110, 3534102), (117, 3322660), (121, 3212820), (130, 2990394), (132, 2945085), (143, 2718540), (156, 2491995), (165, 2356068), (180, 2159729), (195, 1993596), (198, 1963390), (220, 1767051), (234, 1661330), (242, 1606410), (260, 1495197), (286, 1359270), (330, 1178034), (363, 1070940), (390, 996798), (396, 981695), (429, 906180), (468, 830665), (484, 803205), (495, 785356), (572, 679635), (585, 664532), (605, 642564), (660, 589017), (715, 543708), (726, 535470), (780, 498399), (858, 453090), (990, 392678), (1089, 356980), (1170, 332266), (1210, 321282), (1287, 302060), (1373, 283140), (1430, 271854), (1452, 267735), (1573, 247140), (1716, 226545), (1815, 214188), (1980, 196339), (2145, 181236), (2178, 178490), (2340, 166133), (2420, 160641), (2574, 151030), (2746, 141570), (2860, 135927), (3146, 123570), (3630, 107094), (4119, 94380), (4290, 90618), (4356, 89245), (4719, 82380), (5148, 75515), (5445, 71396), (5492, 70785), (6292, 61785), (6435, 60412), (6865, 56628), (7260, 53547), (7865, 49428), (8238, 47190), (8580, 45309), (9438, 41190), (10890, 35698), (12357, 31460), (12870, 30206), (13730, 28314), (14157, 27460), (15103, 25740), (15730, 24714), (16476, 23595), (17849, 21780), (18876, 20595)]