142590020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 306936000

約数和(自身を除く): 164345980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 149, 236, 295, 298, 590, 596, 745, 811, 1180, 1490, 1622, 2980, 3244, 4055, 8110, 8791, 16220, 17582, 35164, 43955, 47849, 87910, 95698, 120839, 175820, 191396, 239245, 241678, 478490, 483356, 604195, 956980, 1208390, 2416780, 7129501, 14259002, 28518004, 35647505, 71295010, 142590020]

約数ペア:

[(1, 142590020), (2, 71295010), (4, 35647505), (5, 28518004), (10, 14259002), (20, 7129501), (59, 2416780), (118, 1208390), (149, 956980), (236, 604195), (295, 483356), (298, 478490), (590, 241678), (596, 239245), (745, 191396), (811, 175820), (1180, 120839), (1490, 95698), (1622, 87910), (2980, 47849), (3244, 43955), (4055, 35164), (8110, 17582), (8791, 16220)]