445160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 1036800

約数和(自身を除く): 591640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 359, 620, 718, 1240, 1436, 1795, 2872, 3590, 7180, 11129, 14360, 22258, 44516, 55645, 89032, 111290, 222580, 445160]

約数ペア:

[(1, 445160), (2, 222580), (4, 111290), (5, 89032), (8, 55645), (10, 44516), (20, 22258), (31, 14360), (40, 11129), (62, 7180), (124, 3590), (155, 2872), (248, 1795), (310, 1436), (359, 1240), (620, 718)]