260539190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 508930560

約数和(自身を除く): 248391370

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 73, 145, 146, 155, 290, 310, 365, 397, 730, 794, 899, 1798, 1985, 2117, 2263, 3970, 4234, 4495, 4526, 8990, 10585, 11315, 11513, 12307, 21170, 22630, 23026, 24614, 28981, 57565, 57962, 61535, 65627, 115130, 123070, 131254, 144905, 289810, 328135, 356903, 656270, 713806, 840449, 898411, 1680898, 1784515, 1796822, 3569030, 4202245, 4492055, 8404490, 8984110, 26053919, 52107838, 130269595, 260539190]

約数ペア:

[(1, 260539190), (2, 130269595), (5, 52107838), (10, 26053919), (29, 8984110), (31, 8404490), (58, 4492055), (62, 4202245), (73, 3569030), (145, 1796822), (146, 1784515), (155, 1680898), (290, 898411), (310, 840449), (365, 713806), (397, 656270), (730, 356903), (794, 328135), (899, 289810), (1798, 144905), (1985, 131254), (2117, 123070), (2263, 115130), (3970, 65627), (4234, 61535), (4495, 57962), (4526, 57565), (8990, 28981), (10585, 24614), (11315, 23026), (11513, 22630), (12307, 21170)]