493727240

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{30781}}^1$

素因数の和:31193

約数の個数: 32

約数和(自身を含む): 1113692760

約数和(自身を除く): 619965520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 30781, 61562, 123124, 153905, 246248, 307810, 615620, 1231240, 12343181, 24686362, 49372724, 61715905, 98745448, 123431810, 246863620, 493727240]

約数ペア:

[(1, 493727240), (2, 246863620), (4, 123431810), (5, 98745448), (8, 61715905), (10, 49372724), (20, 24686362), (40, 12343181), (401, 1231240), (802, 615620), (1604, 307810), (2005, 246248), (3208, 153905), (4010, 123124), (8020, 61562), (16040, 30781)]