499414640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{1009}}^1$

素因数の和:1314

約数の個数: 80

約数和(自身を含む): 1217332800

約数和(自身を除く): 717918160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 269, 368, 460, 538, 920, 1009, 1076, 1345, 1840, 2018, 2152, 2690, 4036, 4304, 5045, 5380, 6187, 8072, 10090, 10760, 12374, 16144, 20180, 21520, 23207, 24748, 30935, 40360, 46414, 49496, 61870, 80720, 92828, 98992, 116035, 123740, 185656, 232070, 247480, 271421, 371312, 464140, 494960, 542842, 928280, 1085684, 1357105, 1856560, 2171368, 2714210, 4342736, 5428420, 6242683, 10856840, 12485366, 21713680, 24970732, 31213415, 49941464, 62426830, 99882928, 124853660, 249707320, 499414640]

約数ペア:

[(1, 499414640), (2, 249707320), (4, 124853660), (5, 99882928), (8, 62426830), (10, 49941464), (16, 31213415), (20, 24970732), (23, 21713680), (40, 12485366), (46, 10856840), (80, 6242683), (92, 5428420), (115, 4342736), (184, 2714210), (230, 2171368), (269, 1856560), (368, 1357105), (460, 1085684), (538, 928280), (920, 542842), (1009, 494960), (1076, 464140), (1345, 371312), (1840, 271421), (2018, 247480), (2152, 232070), (2690, 185656), (4036, 123740), (4304, 116035), (5045, 98992), (5380, 92828), (6187, 80720), (8072, 61870), (10090, 49496), (10760, 46414), (12374, 40360), (16144, 30935), (20180, 24748), (21520, 23207)]