7896940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 17547264

約数和(自身を除く): 9650324

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 271, 310, 470, 542, 620, 940, 1084, 1355, 1457, 2710, 2914, 5420, 5828, 7285, 8401, 12737, 14570, 16802, 25474, 29140, 33604, 42005, 50948, 63685, 84010, 127370, 168020, 254740, 394847, 789694, 1579388, 1974235, 3948470, 7896940]

約数ペア:

[(1, 7896940), (2, 3948470), (4, 1974235), (5, 1579388), (10, 789694), (20, 394847), (31, 254740), (47, 168020), (62, 127370), (94, 84010), (124, 63685), (155, 50948), (188, 42005), (235, 33604), (271, 29140), (310, 25474), (470, 16802), (542, 14570), (620, 12737), (940, 8401), (1084, 7285), (1355, 5828), (1457, 5420), (2710, 2914)]