28446740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3331}}^1$

素因数の和:3408

約数の個数: 48

約数和(自身を含む): 69412224

約数和(自身を除く): 40965484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3331, 4270, 6662, 8540, 13324, 16655, 23317, 33310, 46634, 66620, 93268, 116585, 203191, 233170, 406382, 466340, 812764, 1015955, 1422337, 2031910, 2844674, 4063820, 5689348, 7111685, 14223370, 28446740]

約数ペア:

[(1, 28446740), (2, 14223370), (4, 7111685), (5, 5689348), (7, 4063820), (10, 2844674), (14, 2031910), (20, 1422337), (28, 1015955), (35, 812764), (61, 466340), (70, 406382), (122, 233170), (140, 203191), (244, 116585), (305, 93268), (427, 66620), (610, 46634), (854, 33310), (1220, 23317), (1708, 16655), (2135, 13324), (3331, 8540), (4270, 6662)]