248249240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{200201}}^1$

素因数の和:200243

約数の個数: 32

約数和(自身を含む): 576581760

約数和(自身を除く): 328332520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 200201, 400402, 800804, 1001005, 1601608, 2002010, 4004020, 6206231, 8008040, 12412462, 24824924, 31031155, 49649848, 62062310, 124124620, 248249240]

約数ペア:

[(1, 248249240), (2, 124124620), (4, 62062310), (5, 49649848), (8, 31031155), (10, 24824924), (20, 12412462), (31, 8008040), (40, 6206231), (62, 4004020), (124, 2002010), (155, 1601608), (248, 1001005), (310, 800804), (620, 400402), (1240, 200201)]