207325640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{487}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 484876800

約数和(自身を除く): 277551160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 367, 487, 580, 734, 974, 1160, 1468, 1835, 1948, 2435, 2936, 3670, 3896, 4870, 7340, 9740, 10643, 14123, 14680, 19480, 21286, 28246, 42572, 53215, 56492, 70615, 85144, 106430, 112984, 141230, 178729, 212860, 282460, 357458, 425720, 564920, 714916, 893645, 1429832, 1787290, 3574580, 5183141, 7149160, 10366282, 20732564, 25915705, 41465128, 51831410, 103662820, 207325640]

約数ペア:

[(1, 207325640), (2, 103662820), (4, 51831410), (5, 41465128), (8, 25915705), (10, 20732564), (20, 10366282), (29, 7149160), (40, 5183141), (58, 3574580), (116, 1787290), (145, 1429832), (232, 893645), (290, 714916), (367, 564920), (487, 425720), (580, 357458), (734, 282460), (974, 212860), (1160, 178729), (1468, 141230), (1835, 112984), (1948, 106430), (2435, 85144), (2936, 70615), (3670, 56492), (3896, 53215), (4870, 42572), (7340, 28246), (9740, 21286), (10643, 19480), (14123, 14680)]