289397440

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7121}}^1$

素因数の和:7265

約数の個数: 56

約数和(自身を含む): 694651392

約数和(自身を除く): 405253952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 7121, 8128, 10160, 14242, 20320, 28484, 35605, 40640, 56968, 71210, 113936, 142420, 227872, 284840, 455744, 569680, 904367, 1139360, 1808734, 2278720, 3617468, 4521835, 7234936, 9043670, 14469872, 18087340, 28939744, 36174680, 57879488, 72349360, 144698720, 289397440]

約数ペア:

[(1, 289397440), (2, 144698720), (4, 72349360), (5, 57879488), (8, 36174680), (10, 28939744), (16, 18087340), (20, 14469872), (32, 9043670), (40, 7234936), (64, 4521835), (80, 3617468), (127, 2278720), (160, 1808734), (254, 1139360), (320, 904367), (508, 569680), (635, 455744), (1016, 284840), (1270, 227872), (2032, 142420), (2540, 113936), (4064, 71210), (5080, 56968), (7121, 40640), (8128, 35605), (10160, 28484), (14242, 20320)]