220174140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{215857}}^1$

素因数の和:215886

約数の個数: 48

約数和(自身を含む): 652754592

約数和(自身を除く): 432580452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 215857, 431714, 647571, 863428, 1079285, 1295142, 2158570, 2590284, 3237855, 3669569, 4317140, 6475710, 7339138, 11008707, 12951420, 14678276, 18347845, 22017414, 36695690, 44034828, 55043535, 73391380, 110087070, 220174140]

約数ペア:

[(1, 220174140), (2, 110087070), (3, 73391380), (4, 55043535), (5, 44034828), (6, 36695690), (10, 22017414), (12, 18347845), (15, 14678276), (17, 12951420), (20, 11008707), (30, 7339138), (34, 6475710), (51, 4317140), (60, 3669569), (68, 3237855), (85, 2590284), (102, 2158570), (170, 1295142), (204, 1079285), (255, 863428), (340, 647571), (510, 431714), (1020, 215857)]