257255500

素因数分解:

$2^2\times 5^3\times {\mathrm{281}}^1\times {\mathrm{1831}}^1$

素因数の和:2131

約数の個数: 48

約数和(自身を含む): 564153408

約数和(自身を除く): 306897908

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 281, 500, 562, 1124, 1405, 1831, 2810, 3662, 5620, 7025, 7324, 9155, 14050, 18310, 28100, 35125, 36620, 45775, 70250, 91550, 140500, 183100, 228875, 457750, 514511, 915500, 1029022, 2058044, 2572555, 5145110, 10290220, 12862775, 25725550, 51451100, 64313875, 128627750, 257255500]

約数ペア:

[(1, 257255500), (2, 128627750), (4, 64313875), (5, 51451100), (10, 25725550), (20, 12862775), (25, 10290220), (50, 5145110), (100, 2572555), (125, 2058044), (250, 1029022), (281, 915500), (500, 514511), (562, 457750), (1124, 228875), (1405, 183100), (1831, 140500), (2810, 91550), (3662, 70250), (5620, 45775), (7025, 36620), (7324, 35125), (9155, 28100), (14050, 18310)]