881727550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:766

約数の個数: 96

約数和(自身を含む): 1865693088

約数和(自身を除く): 983965538

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 61, 82, 110, 122, 205, 275, 305, 410, 451, 550, 610, 641, 671, 902, 1025, 1282, 1342, 1525, 2050, 2255, 2501, 3050, 3205, 3355, 4510, 5002, 6410, 6710, 7051, 11275, 12505, 14102, 16025, 16775, 22550, 25010, 26281, 27511, 32050, 33550, 35255, 39101, 52562, 55022, 62525, 70510, 78202, 125050, 131405, 137555, 176275, 195505, 262810, 275110, 289091, 352550, 391010, 430111, 578182, 657025, 687775, 860222, 977525, 1314050, 1375550, 1445455, 1603141, 1955050, 2150555, 2890910, 3206282, 4301110, 7227275, 8015705, 10752775, 14454550, 16031410, 17634551, 21505550, 35269102, 40078525, 80157050, 88172755, 176345510, 440863775, 881727550]

約数ペア:

[(1, 881727550), (2, 440863775), (5, 176345510), (10, 88172755), (11, 80157050), (22, 40078525), (25, 35269102), (41, 21505550), (50, 17634551), (55, 16031410), (61, 14454550), (82, 10752775), (110, 8015705), (122, 7227275), (205, 4301110), (275, 3206282), (305, 2890910), (410, 2150555), (451, 1955050), (550, 1603141), (610, 1445455), (641, 1375550), (671, 1314050), (902, 977525), (1025, 860222), (1282, 687775), (1342, 657025), (1525, 578182), (2050, 430111), (2255, 391010), (2501, 352550), (3050, 289091), (3205, 275110), (3355, 262810), (4510, 195505), (5002, 176275), (6410, 137555), (6710, 131405), (7051, 125050), (11275, 78202), (12505, 70510), (14102, 62525), (16025, 55022), (16775, 52562), (22550, 39101), (25010, 35255), (26281, 33550), (27511, 32050)]