870490390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5569}}^1$

素因数の和:5630

約数の個数: 96

約数和(自身を含む): 2057335200

約数和(自身を除く): 1186844810

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 49, 55, 58, 70, 77, 98, 110, 145, 154, 203, 245, 290, 319, 385, 406, 490, 539, 638, 770, 1015, 1078, 1421, 1595, 2030, 2233, 2695, 2842, 3190, 4466, 5390, 5569, 7105, 11138, 11165, 14210, 15631, 22330, 27845, 31262, 38983, 55690, 61259, 77966, 78155, 122518, 156310, 161501, 194915, 272881, 306295, 323002, 389830, 428813, 545762, 612590, 807505, 857626, 1130507, 1364405, 1615010, 1776511, 2144065, 2261014, 2728810, 3001691, 3553022, 4288130, 5652535, 6003382, 7913549, 8882555, 11305070, 12435577, 15008455, 15827098, 17765110, 24871154, 30016910, 39567745, 62177885, 79135490, 87049039, 124355770, 174098078, 435245195, 870490390]

約数ペア:

[(1, 870490390), (2, 435245195), (5, 174098078), (7, 124355770), (10, 87049039), (11, 79135490), (14, 62177885), (22, 39567745), (29, 30016910), (35, 24871154), (49, 17765110), (55, 15827098), (58, 15008455), (70, 12435577), (77, 11305070), (98, 8882555), (110, 7913549), (145, 6003382), (154, 5652535), (203, 4288130), (245, 3553022), (290, 3001691), (319, 2728810), (385, 2261014), (406, 2144065), (490, 1776511), (539, 1615010), (638, 1364405), (770, 1130507), (1015, 857626), (1078, 807505), (1421, 612590), (1595, 545762), (2030, 428813), (2233, 389830), (2695, 323002), (2842, 306295), (3190, 272881), (4466, 194915), (5390, 161501), (5569, 156310), (7105, 122518), (11138, 78155), (11165, 77966), (14210, 61259), (15631, 55690), (22330, 38983), (27845, 31262)]