90988460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 200503296

約数和(自身を除く): 109514836

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 223, 230, 446, 460, 887, 892, 1115, 1774, 2230, 3548, 4435, 4460, 5129, 8870, 10258, 17740, 20401, 20516, 25645, 40802, 51290, 81604, 102005, 102580, 197801, 204010, 395602, 408020, 791204, 989005, 1978010, 3956020, 4549423, 9098846, 18197692, 22747115, 45494230, 90988460]

約数ペア:

[(1, 90988460), (2, 45494230), (4, 22747115), (5, 18197692), (10, 9098846), (20, 4549423), (23, 3956020), (46, 1978010), (92, 989005), (115, 791204), (223, 408020), (230, 395602), (446, 204010), (460, 197801), (887, 102580), (892, 102005), (1115, 81604), (1774, 51290), (2230, 40802), (3548, 25645), (4435, 20516), (4460, 20401), (5129, 17740), (8870, 10258)]