916421480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{17449}}^1$

素因数の和:17574

約数の個数: 64

約数和(自身を含む): 2242674000

約数和(自身を除く): 1326252520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 1010, 1313, 2020, 2626, 4040, 5252, 6565, 10504, 13130, 17449, 26260, 34898, 52520, 69796, 87245, 139592, 174490, 226837, 348980, 453674, 697960, 907348, 1134185, 1762349, 1814696, 2268370, 3524698, 4536740, 7049396, 8811745, 9073480, 14098792, 17623490, 22910537, 35246980, 45821074, 70493960, 91642148, 114552685, 183284296, 229105370, 458210740, 916421480]

約数ペア:

[(1, 916421480), (2, 458210740), (4, 229105370), (5, 183284296), (8, 114552685), (10, 91642148), (13, 70493960), (20, 45821074), (26, 35246980), (40, 22910537), (52, 17623490), (65, 14098792), (101, 9073480), (104, 8811745), (130, 7049396), (202, 4536740), (260, 3524698), (404, 2268370), (505, 1814696), (520, 1762349), (808, 1134185), (1010, 907348), (1313, 697960), (2020, 453674), (2626, 348980), (4040, 226837), (5252, 174490), (6565, 139592), (10504, 87245), (13130, 69796), (17449, 52520), (26260, 34898)]