88893020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{521}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 197316000

約数和(自身を除く): 108422980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 449, 521, 898, 1042, 1796, 2084, 2245, 2605, 4490, 5210, 8531, 8980, 9899, 10420, 17062, 19798, 34124, 39596, 42655, 49495, 85310, 98990, 170620, 197980, 233929, 467858, 935716, 1169645, 2339290, 4444651, 4678580, 8889302, 17778604, 22223255, 44446510, 88893020]

約数ペア:

[(1, 88893020), (2, 44446510), (4, 22223255), (5, 17778604), (10, 8889302), (19, 4678580), (20, 4444651), (38, 2339290), (76, 1169645), (95, 935716), (190, 467858), (380, 233929), (449, 197980), (521, 170620), (898, 98990), (1042, 85310), (1796, 49495), (2084, 42655), (2245, 39596), (2605, 34124), (4490, 19798), (5210, 17062), (8531, 10420), (8980, 9899)]