90480580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2137}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 199347120

約数和(自身を除く): 108866540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 2117, 2137, 4234, 4274, 8468, 8548, 10585, 10685, 21170, 21370, 42340, 42740, 61973, 123946, 156001, 247892, 309865, 312002, 619730, 624004, 780005, 1239460, 1560010, 3120020, 4524029, 9048058, 18096116, 22620145, 45240290, 90480580]

約数ペア:

[(1, 90480580), (2, 45240290), (4, 22620145), (5, 18096116), (10, 9048058), (20, 4524029), (29, 3120020), (58, 1560010), (73, 1239460), (116, 780005), (145, 624004), (146, 619730), (290, 312002), (292, 309865), (365, 247892), (580, 156001), (730, 123946), (1460, 61973), (2117, 42740), (2137, 42340), (4234, 21370), (4274, 21170), (8468, 10685), (8548, 10585)]