138940260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{9689}}^1$

素因数の和:9940

約数の個数: 48

約数和(自身を含む): 390700800

約数和(自身を除く): 251760540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1434, 2390, 2868, 3585, 4780, 7170, 9689, 14340, 19378, 29067, 38756, 48445, 58134, 96890, 116268, 145335, 193780, 290670, 581340, 2315671, 4631342, 6947013, 9262684, 11578355, 13894026, 23156710, 27788052, 34735065, 46313420, 69470130, 138940260]

約数ペア:

[(1, 138940260), (2, 69470130), (3, 46313420), (4, 34735065), (5, 27788052), (6, 23156710), (10, 13894026), (12, 11578355), (15, 9262684), (20, 6947013), (30, 4631342), (60, 2315671), (239, 581340), (478, 290670), (717, 193780), (956, 145335), (1195, 116268), (1434, 96890), (2390, 58134), (2868, 48445), (3585, 38756), (4780, 29067), (7170, 19378), (9689, 14340)]