245087240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197651}}^1$

素因数の和:197693

約数の個数: 32

約数和(自身を含む): 569237760

約数和(自身を除く): 324150520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 197651, 395302, 790604, 988255, 1581208, 1976510, 3953020, 6127181, 7906040, 12254362, 24508724, 30635905, 49017448, 61271810, 122543620, 245087240]

約数ペア:

[(1, 245087240), (2, 122543620), (4, 61271810), (5, 49017448), (8, 30635905), (10, 24508724), (20, 12254362), (31, 7906040), (40, 6127181), (62, 3953020), (124, 1976510), (155, 1581208), (248, 988255), (310, 790604), (620, 395302), (1240, 197651)]