210499660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40637}}^1$

素因数の和:40690

約数の個数: 48

約数和(自身を含む): 518865984

約数和(自身を除く): 308366324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 40637, 81274, 162548, 203185, 284459, 406370, 568918, 812740, 1137836, 1422295, 1503569, 2844590, 3007138, 5689180, 6014276, 7517845, 10524983, 15035690, 21049966, 30071380, 42099932, 52624915, 105249830, 210499660]

約数ペア:

[(1, 210499660), (2, 105249830), (4, 52624915), (5, 42099932), (7, 30071380), (10, 21049966), (14, 15035690), (20, 10524983), (28, 7517845), (35, 6014276), (37, 5689180), (70, 3007138), (74, 2844590), (140, 1503569), (148, 1422295), (185, 1137836), (259, 812740), (370, 568918), (518, 406370), (740, 284459), (1036, 203185), (1295, 162548), (2590, 81274), (5180, 40637)]