224717720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 520914240

約数和(自身を除く): 296196520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 263, 328, 410, 521, 526, 820, 1042, 1052, 1315, 1640, 2084, 2104, 2605, 2630, 4168, 5210, 5260, 10420, 10520, 10783, 20840, 21361, 21566, 42722, 43132, 53915, 85444, 86264, 106805, 107830, 137023, 170888, 213610, 215660, 274046, 427220, 431320, 548092, 685115, 854440, 1096184, 1370230, 2740460, 5480920, 5617943, 11235886, 22471772, 28089715, 44943544, 56179430, 112358860, 224717720]

約数ペア:

[(1, 224717720), (2, 112358860), (4, 56179430), (5, 44943544), (8, 28089715), (10, 22471772), (20, 11235886), (40, 5617943), (41, 5480920), (82, 2740460), (164, 1370230), (205, 1096184), (263, 854440), (328, 685115), (410, 548092), (521, 431320), (526, 427220), (820, 274046), (1042, 215660), (1052, 213610), (1315, 170888), (1640, 137023), (2084, 107830), (2104, 106805), (2605, 86264), (2630, 85444), (4168, 53915), (5210, 43132), (5260, 42722), (10420, 21566), (10520, 21361), (10783, 20840)]