253467890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 503798400

約数和(自身を除く): 250330510

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 139, 166, 169, 278, 338, 415, 695, 830, 845, 1079, 1390, 1690, 1807, 2158, 2197, 3614, 4394, 5395, 9035, 10790, 10985, 11537, 14027, 18070, 21970, 23074, 23491, 28054, 46982, 57685, 70135, 115370, 117455, 140270, 149981, 182351, 234910, 299962, 305383, 364702, 610766, 749905, 911755, 1499810, 1526915, 1823510, 1949753, 3053830, 3899506, 9748765, 19497530, 25346789, 50693578, 126733945, 253467890]

約数ペア:

[(1, 253467890), (2, 126733945), (5, 50693578), (10, 25346789), (13, 19497530), (26, 9748765), (65, 3899506), (83, 3053830), (130, 1949753), (139, 1823510), (166, 1526915), (169, 1499810), (278, 911755), (338, 749905), (415, 610766), (695, 364702), (830, 305383), (845, 299962), (1079, 234910), (1390, 182351), (1690, 149981), (1807, 140270), (2158, 117455), (2197, 115370), (3614, 70135), (4394, 57685), (5395, 46982), (9035, 28054), (10790, 23491), (10985, 23074), (11537, 21970), (14027, 18070)]