515496220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{2213}}^1$

素因数の和:2854

約数の個数: 48

約数和(自身を含む): 1141892640

約数和(自身を除く): 626396420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 613, 1226, 2213, 2452, 3065, 4426, 6130, 8852, 11065, 11647, 12260, 22130, 23294, 42047, 44260, 46588, 58235, 84094, 116470, 168188, 210235, 232940, 420470, 840940, 1356569, 2713138, 5426276, 6782845, 13565690, 25774811, 27131380, 51549622, 103099244, 128874055, 257748110, 515496220]

約数ペア:

[(1, 515496220), (2, 257748110), (4, 128874055), (5, 103099244), (10, 51549622), (19, 27131380), (20, 25774811), (38, 13565690), (76, 6782845), (95, 5426276), (190, 2713138), (380, 1356569), (613, 840940), (1226, 420470), (2213, 232940), (2452, 210235), (3065, 168188), (4426, 116470), (6130, 84094), (8852, 58235), (11065, 46588), (11647, 44260), (12260, 42047), (22130, 23294)]