490396900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2441}}^1$

素因数の和:2510

約数の個数: 108

約数和(自身を含む): 1268614116

約数和(自身を除く): 778217216

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 82, 98, 100, 140, 164, 175, 196, 205, 245, 287, 350, 410, 490, 574, 700, 820, 980, 1025, 1148, 1225, 1435, 2009, 2050, 2441, 2450, 2870, 4018, 4100, 4882, 4900, 5740, 7175, 8036, 9764, 10045, 12205, 14350, 17087, 20090, 24410, 28700, 34174, 40180, 48820, 50225, 61025, 68348, 85435, 100081, 100450, 119609, 122050, 170870, 200162, 200900, 239218, 244100, 341740, 400324, 427175, 478436, 500405, 598045, 700567, 854350, 1000810, 1196090, 1401134, 1708700, 2001620, 2392180, 2502025, 2802268, 2990225, 3502835, 4903969, 5004050, 5980450, 7005670, 9807938, 10008100, 11960900, 14011340, 17514175, 19615876, 24519845, 35028350, 49039690, 70056700, 98079380, 122599225, 245198450, 490396900]

約数ペア:

[(1, 490396900), (2, 245198450), (4, 122599225), (5, 98079380), (7, 70056700), (10, 49039690), (14, 35028350), (20, 24519845), (25, 19615876), (28, 17514175), (35, 14011340), (41, 11960900), (49, 10008100), (50, 9807938), (70, 7005670), (82, 5980450), (98, 5004050), (100, 4903969), (140, 3502835), (164, 2990225), (175, 2802268), (196, 2502025), (205, 2392180), (245, 2001620), (287, 1708700), (350, 1401134), (410, 1196090), (490, 1000810), (574, 854350), (700, 700567), (820, 598045), (980, 500405), (1025, 478436), (1148, 427175), (1225, 400324), (1435, 341740), (2009, 244100), (2050, 239218), (2441, 200900), (2450, 200162), (2870, 170870), (4018, 122050), (4100, 119609), (4882, 100450), (4900, 100081), (5740, 85435), (7175, 68348), (8036, 61025), (9764, 50225), (10045, 48820), (12205, 40180), (14350, 34174), (17087, 28700), (20090, 24410)]