203464820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18199}}^1$

素因数の和:18264

約数の個数: 48

約数和(自身を含む): 470870400

約数和(自身を除く): 267405580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 18199, 36398, 72796, 90995, 181990, 236587, 363980, 473174, 782557, 946348, 1182935, 1565114, 2365870, 3130228, 3912785, 4731740, 7825570, 10173241, 15651140, 20346482, 40692964, 50866205, 101732410, 203464820]

約数ペア:

[(1, 203464820), (2, 101732410), (4, 50866205), (5, 40692964), (10, 20346482), (13, 15651140), (20, 10173241), (26, 7825570), (43, 4731740), (52, 3912785), (65, 3130228), (86, 2365870), (130, 1565114), (172, 1182935), (215, 946348), (260, 782557), (430, 473174), (559, 363980), (860, 236587), (1118, 181990), (2236, 90995), (2795, 72796), (5590, 36398), (11180, 18199)]