90470575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{331}}^1$

素因数の和:412

約数の個数: 36

約数和(自身を含む): 125500648

約数和(自身を除く): 35030073

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 331, 377, 725, 841, 1655, 1885, 4205, 4303, 8275, 9425, 9599, 10933, 21025, 21515, 47995, 54665, 107575, 124787, 239975, 273325, 278371, 623935, 1391855, 3119675, 3618823, 6959275, 18094115, 90470575]

約数ペア:

[(1, 90470575), (5, 18094115), (13, 6959275), (25, 3618823), (29, 3119675), (65, 1391855), (145, 623935), (325, 278371), (331, 273325), (377, 239975), (725, 124787), (841, 107575), (1655, 54665), (1885, 47995), (4205, 21515), (4303, 21025), (8275, 10933), (9425, 9599)]