251165380

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 535683456

約数和(自身を除く): 284518076

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 241, 428, 482, 487, 535, 964, 974, 1070, 1205, 1948, 2140, 2410, 2435, 4820, 4870, 9740, 25787, 51574, 52109, 103148, 104218, 117367, 128935, 208436, 234734, 257870, 260545, 469468, 515740, 521090, 586835, 1042180, 1173670, 2347340, 12558269, 25116538, 50233076, 62791345, 125582690, 251165380]

約数ペア:

[(1, 251165380), (2, 125582690), (4, 62791345), (5, 50233076), (10, 25116538), (20, 12558269), (107, 2347340), (214, 1173670), (241, 1042180), (428, 586835), (482, 521090), (487, 515740), (535, 469468), (964, 260545), (974, 257870), (1070, 234734), (1205, 208436), (1948, 128935), (2140, 117367), (2410, 104218), (2435, 103148), (4820, 52109), (4870, 51574), (9740, 25787)]