220397600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8887}}^1$

素因数の和:8938

約数の個数: 72

約数和(自身を含む): 555464448

約数和(自身を除く): 335066848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4960, 6200, 8887, 12400, 17774, 24800, 35548, 44435, 71096, 88870, 142192, 177740, 222175, 275497, 284384, 355480, 444350, 550994, 710960, 888700, 1101988, 1377485, 1421920, 1777400, 2203976, 2754970, 3554800, 4407952, 5509940, 6887425, 7109600, 8815904, 11019880, 13774850, 22039760, 27549700, 44079520, 55099400, 110198800, 220397600]

約数ペア:

[(1, 220397600), (2, 110198800), (4, 55099400), (5, 44079520), (8, 27549700), (10, 22039760), (16, 13774850), (20, 11019880), (25, 8815904), (31, 7109600), (32, 6887425), (40, 5509940), (50, 4407952), (62, 3554800), (80, 2754970), (100, 2203976), (124, 1777400), (155, 1421920), (160, 1377485), (200, 1101988), (248, 888700), (310, 710960), (400, 550994), (496, 444350), (620, 355480), (775, 284384), (800, 275497), (992, 222175), (1240, 177740), (1550, 142192), (2480, 88870), (3100, 71096), (4960, 44435), (6200, 35548), (8887, 24800), (12400, 17774)]