210848840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 486466560

約数和(自身を除く): 275617720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 271, 367, 424, 530, 542, 734, 1060, 1084, 1355, 1468, 1835, 2120, 2168, 2710, 2936, 3670, 5420, 7340, 10840, 14363, 14680, 19451, 28726, 38902, 57452, 71815, 77804, 97255, 99457, 114904, 143630, 155608, 194510, 198914, 287260, 389020, 397828, 497285, 574520, 778040, 795656, 994570, 1989140, 3978280, 5271221, 10542442, 21084884, 26356105, 42169768, 52712210, 105424420, 210848840]

約数ペア:

[(1, 210848840), (2, 105424420), (4, 52712210), (5, 42169768), (8, 26356105), (10, 21084884), (20, 10542442), (40, 5271221), (53, 3978280), (106, 1989140), (212, 994570), (265, 795656), (271, 778040), (367, 574520), (424, 497285), (530, 397828), (542, 389020), (734, 287260), (1060, 198914), (1084, 194510), (1355, 155608), (1468, 143630), (1835, 114904), (2120, 99457), (2168, 97255), (2710, 77804), (2936, 71815), (3670, 57452), (5420, 38902), (7340, 28726), (10840, 19451), (14363, 14680)]