399875580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{170887}}^1$

素因数の和:170915

約数の個数: 72

約数和(自身を含む): 1306267872

約数和(自身を除く): 906392292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 170887, 341774, 512661, 683548, 854435, 1025322, 1537983, 1708870, 2050644, 2221531, 2563305, 3075966, 3417740, 4443062, 5126610, 6151932, 6664593, 7689915, 8886124, 10253220, 11107655, 13329186, 15379830, 19993779, 22215310, 26658372, 30759660, 33322965, 39987558, 44430620, 66645930, 79975116, 99968895, 133291860, 199937790, 399875580]

約数ペア:

[(1, 399875580), (2, 199937790), (3, 133291860), (4, 99968895), (5, 79975116), (6, 66645930), (9, 44430620), (10, 39987558), (12, 33322965), (13, 30759660), (15, 26658372), (18, 22215310), (20, 19993779), (26, 15379830), (30, 13329186), (36, 11107655), (39, 10253220), (45, 8886124), (52, 7689915), (60, 6664593), (65, 6151932), (78, 5126610), (90, 4443062), (117, 3417740), (130, 3075966), (156, 2563305), (180, 2221531), (195, 2050644), (234, 1708870), (260, 1537983), (390, 1025322), (468, 854435), (585, 683548), (780, 512661), (1170, 341774), (2340, 170887)]