218914980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28729}}^1$

素因数の和:28868

約数の個数: 48

約数和(自身を含む): 617809920

約数和(自身を除く): 398894940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3810, 7620, 28729, 57458, 86187, 114916, 143645, 172374, 287290, 344748, 430935, 574580, 861870, 1723740, 3648583, 7297166, 10945749, 14594332, 18242915, 21891498, 36485830, 43782996, 54728745, 72971660, 109457490, 218914980]

約数ペア:

[(1, 218914980), (2, 109457490), (3, 72971660), (4, 54728745), (5, 43782996), (6, 36485830), (10, 21891498), (12, 18242915), (15, 14594332), (20, 10945749), (30, 7297166), (60, 3648583), (127, 1723740), (254, 861870), (381, 574580), (508, 430935), (635, 344748), (762, 287290), (1270, 172374), (1524, 143645), (1905, 114916), (2540, 86187), (3810, 57458), (7620, 28729)]