497240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 1157760

約数和(自身を除く): 660520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 401, 620, 802, 1240, 1604, 2005, 3208, 4010, 8020, 12431, 16040, 24862, 49724, 62155, 99448, 124310, 248620, 497240]

約数ペア:

[(1, 497240), (2, 248620), (4, 124310), (5, 99448), (8, 62155), (10, 49724), (20, 24862), (31, 16040), (40, 12431), (62, 8020), (124, 4010), (155, 3208), (248, 2005), (310, 1604), (401, 1240), (620, 802)]