215517080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{367}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 497197440

約数和(自身を除く): 281680360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 277, 367, 424, 530, 554, 734, 1060, 1108, 1385, 1468, 1835, 2120, 2216, 2770, 2936, 3670, 5540, 7340, 11080, 14680, 14681, 19451, 29362, 38902, 58724, 73405, 77804, 97255, 101659, 117448, 146810, 155608, 194510, 203318, 293620, 389020, 406636, 508295, 587240, 778040, 813272, 1016590, 2033180, 4066360, 5387927, 10775854, 21551708, 26939635, 43103416, 53879270, 107758540, 215517080]

約数ペア:

[(1, 215517080), (2, 107758540), (4, 53879270), (5, 43103416), (8, 26939635), (10, 21551708), (20, 10775854), (40, 5387927), (53, 4066360), (106, 2033180), (212, 1016590), (265, 813272), (277, 778040), (367, 587240), (424, 508295), (530, 406636), (554, 389020), (734, 293620), (1060, 203318), (1108, 194510), (1385, 155608), (1468, 146810), (1835, 117448), (2120, 101659), (2216, 97255), (2770, 77804), (2936, 73405), (3670, 58724), (5540, 38902), (7340, 29362), (11080, 19451), (14680, 14681)]