225517740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{536947}}^1$

素因数の和:536966

約数の個数: 48

約数和(自身を含む): 721658112

約数和(自身を除く): 496140372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 536947, 1073894, 1610841, 2147788, 2684735, 3221682, 3758629, 5369470, 6443364, 7517258, 8054205, 10738940, 11275887, 15034516, 16108410, 18793145, 22551774, 32216820, 37586290, 45103548, 56379435, 75172580, 112758870, 225517740]

約数ペア:

[(1, 225517740), (2, 112758870), (3, 75172580), (4, 56379435), (5, 45103548), (6, 37586290), (7, 32216820), (10, 22551774), (12, 18793145), (14, 16108410), (15, 15034516), (20, 11275887), (21, 10738940), (28, 8054205), (30, 7517258), (35, 6443364), (42, 5369470), (60, 3758629), (70, 3221682), (84, 2684735), (105, 2147788), (140, 1610841), (210, 1073894), (420, 536947)]