70621480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2234

約数の個数: 64

約数和(自身を含む): 171230400

約数和(自身を除く): 100608920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2161, 3268, 4085, 4322, 6536, 8170, 8644, 10805, 16340, 17288, 21610, 32680, 41059, 43220, 82118, 86440, 92923, 164236, 185846, 205295, 328472, 371692, 410590, 464615, 743384, 821180, 929230, 1642360, 1765537, 1858460, 3531074, 3716920, 7062148, 8827685, 14124296, 17655370, 35310740, 70621480]

約数ペア:

[(1, 70621480), (2, 35310740), (4, 17655370), (5, 14124296), (8, 8827685), (10, 7062148), (19, 3716920), (20, 3531074), (38, 1858460), (40, 1765537), (43, 1642360), (76, 929230), (86, 821180), (95, 743384), (152, 464615), (172, 410590), (190, 371692), (215, 328472), (344, 205295), (380, 185846), (430, 164236), (760, 92923), (817, 86440), (860, 82118), (1634, 43220), (1720, 41059), (2161, 32680), (3268, 21610), (4085, 17288), (4322, 16340), (6536, 10805), (8170, 8644)]