259763240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1409}}^1$

素因数の和:1850

約数の個数: 64

約数和(自身を含む): 639576000

約数和(自身を除く): 379812760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 419, 440, 838, 1409, 1676, 2095, 2818, 3352, 4190, 4609, 5636, 7045, 8380, 9218, 11272, 14090, 15499, 16760, 18436, 23045, 28180, 30998, 36872, 46090, 56360, 61996, 77495, 92180, 123992, 154990, 184360, 309980, 590371, 619960, 1180742, 2361484, 2951855, 4722968, 5903710, 6494081, 11807420, 12988162, 23614840, 25976324, 32470405, 51952648, 64940810, 129881620, 259763240]

約数ペア:

[(1, 259763240), (2, 129881620), (4, 64940810), (5, 51952648), (8, 32470405), (10, 25976324), (11, 23614840), (20, 12988162), (22, 11807420), (40, 6494081), (44, 5903710), (55, 4722968), (88, 2951855), (110, 2361484), (220, 1180742), (419, 619960), (440, 590371), (838, 309980), (1409, 184360), (1676, 154990), (2095, 123992), (2818, 92180), (3352, 77495), (4190, 61996), (4609, 56360), (5636, 46090), (7045, 36872), (8380, 30998), (9218, 28180), (11272, 23045), (14090, 18436), (15499, 16760)]