109394800

素因数分解:

$2^4\times 5^2\times {\mathrm{491}}^1\times {\mathrm{557}}^1$

素因数の和:1066

約数の個数: 60

約数和(自身を含む): 263829096

約数和(自身を除く): 154434296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 491, 557, 982, 1114, 1964, 2228, 2455, 2785, 3928, 4456, 4910, 5570, 7856, 8912, 9820, 11140, 12275, 13925, 19640, 22280, 24550, 27850, 39280, 44560, 49100, 55700, 98200, 111400, 196400, 222800, 273487, 546974, 1093948, 1367435, 2187896, 2734870, 4375792, 5469740, 6837175, 10939480, 13674350, 21878960, 27348700, 54697400, 109394800]

約数ペア:

[(1, 109394800), (2, 54697400), (4, 27348700), (5, 21878960), (8, 13674350), (10, 10939480), (16, 6837175), (20, 5469740), (25, 4375792), (40, 2734870), (50, 2187896), (80, 1367435), (100, 1093948), (200, 546974), (400, 273487), (491, 222800), (557, 196400), (982, 111400), (1114, 98200), (1964, 55700), (2228, 49100), (2455, 44560), (2785, 39280), (3928, 27850), (4456, 24550), (4910, 22280), (5570, 19640), (7856, 13925), (8912, 12275), (9820, 11140)]