202146440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 468452160

約数和(自身を除く): 266305720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 211, 215, 344, 422, 430, 557, 844, 860, 1055, 1114, 1688, 1720, 2110, 2228, 2785, 4220, 4456, 5570, 8440, 9073, 11140, 18146, 22280, 23951, 36292, 45365, 47902, 72584, 90730, 95804, 117527, 119755, 181460, 191608, 235054, 239510, 362920, 470108, 479020, 587635, 940216, 958040, 1175270, 2350540, 4701080, 5053661, 10107322, 20214644, 25268305, 40429288, 50536610, 101073220, 202146440]

約数ペア:

[(1, 202146440), (2, 101073220), (4, 50536610), (5, 40429288), (8, 25268305), (10, 20214644), (20, 10107322), (40, 5053661), (43, 4701080), (86, 2350540), (172, 1175270), (211, 958040), (215, 940216), (344, 587635), (422, 479020), (430, 470108), (557, 362920), (844, 239510), (860, 235054), (1055, 191608), (1114, 181460), (1688, 119755), (1720, 117527), (2110, 95804), (2228, 90730), (2785, 72584), (4220, 47902), (4456, 45365), (5570, 36292), (8440, 23951), (9073, 22280), (11140, 18146)]