858329680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1723}}^1$

素因数の和:2228

約数の個数: 80

約数和(自身を含む): 2154862080

約数和(自身を除く): 1296532400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 479, 520, 958, 1040, 1723, 1916, 2395, 3446, 3832, 4790, 6227, 6892, 7664, 8615, 9580, 12454, 13784, 17230, 19160, 22399, 24908, 27568, 31135, 34460, 38320, 44798, 49816, 62270, 68920, 89596, 99632, 111995, 124540, 137840, 179192, 223990, 249080, 358384, 447980, 498160, 825317, 895960, 1650634, 1791920, 3301268, 4126585, 6602536, 8253170, 10729121, 13205072, 16506340, 21458242, 33012680, 42916484, 53645605, 66025360, 85832968, 107291210, 171665936, 214582420, 429164840, 858329680]

約数ペア:

[(1, 858329680), (2, 429164840), (4, 214582420), (5, 171665936), (8, 107291210), (10, 85832968), (13, 66025360), (16, 53645605), (20, 42916484), (26, 33012680), (40, 21458242), (52, 16506340), (65, 13205072), (80, 10729121), (104, 8253170), (130, 6602536), (208, 4126585), (260, 3301268), (479, 1791920), (520, 1650634), (958, 895960), (1040, 825317), (1723, 498160), (1916, 447980), (2395, 358384), (3446, 249080), (3832, 223990), (4790, 179192), (6227, 137840), (6892, 124540), (7664, 111995), (8615, 99632), (9580, 89596), (12454, 68920), (13784, 62270), (17230, 49816), (19160, 44798), (22399, 38320), (24908, 34460), (27568, 31135)]