210367012820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{266821}}^1$

素因数の和:267408

約数の個数: 48

約数和(自身を含む): 448260960000

約数和(自身を除く): 237893947180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 499, 790, 998, 1580, 1996, 2495, 4990, 9980, 39421, 78842, 157684, 197105, 266821, 394210, 533642, 788420, 1067284, 1334105, 2668210, 5336420, 21078859, 42157718, 84315436, 105394295, 133143679, 210788590, 266287358, 421577180, 532574716, 665718395, 1331436790, 2662873580, 10518350641, 21036701282, 42073402564, 52591753205, 105183506410, 210367012820]

約数ペア:

[(1, 210367012820), (2, 105183506410), (4, 52591753205), (5, 42073402564), (10, 21036701282), (20, 10518350641), (79, 2662873580), (158, 1331436790), (316, 665718395), (395, 532574716), (499, 421577180), (790, 266287358), (998, 210788590), (1580, 133143679), (1996, 105394295), (2495, 84315436), (4990, 42157718), (9980, 21078859), (39421, 5336420), (78842, 2668210), (157684, 1334105), (197105, 1067284), (266821, 788420), (394210, 533642)]