4227620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 9480240

約数和(自身を除く): 5252620

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 197, 290, 370, 394, 580, 740, 788, 985, 1073, 1970, 2146, 3940, 4292, 5365, 5713, 7289, 10730, 11426, 14578, 21460, 22852, 28565, 29156, 36445, 57130, 72890, 114260, 145780, 211381, 422762, 845524, 1056905, 2113810, 4227620]

約数ペア:

[(1, 4227620), (2, 2113810), (4, 1056905), (5, 845524), (10, 422762), (20, 211381), (29, 145780), (37, 114260), (58, 72890), (74, 57130), (116, 36445), (145, 29156), (148, 28565), (185, 22852), (197, 21460), (290, 14578), (370, 11426), (394, 10730), (580, 7289), (740, 5713), (788, 5365), (985, 4292), (1073, 3940), (1970, 2146)]