222720620

素因数分解:

$2^2\times 5^1\times {\mathrm{2843}}^1\times {\mathrm{3917}}^1$

素因数の和:6769

約数の個数: 24

約数和(自身を含む): 467997264

約数和(自身を除く): 245276644

約数列:

[1, 2, 4, 5, 10, 20, 2843, 3917, 5686, 7834, 11372, 14215, 15668, 19585, 28430, 39170, 56860, 78340, 11136031, 22272062, 44544124, 55680155, 111360310, 222720620]

約数ペア:

[(1, 222720620), (2, 111360310), (4, 55680155), (5, 44544124), (10, 22272062), (20, 11136031), (2843, 78340), (3917, 56860), (5686, 39170), (7834, 28430), (11372, 19585), (14215, 15668)]