491086310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20201}}^1$

素因数の和:20249

約数の個数: 64

約数和(自身を含む): 1099635264

約数和(自身を除く): 608548954

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1430, 1870, 2210, 2431, 4862, 12155, 20201, 24310, 40402, 101005, 202010, 222211, 262613, 343417, 444422, 525226, 686834, 1111055, 1313065, 1717085, 2222110, 2626130, 2888743, 3434170, 3777587, 4464421, 5777486, 7555174, 8928842, 14443715, 18887935, 22322105, 28887430, 37775870, 44644210, 49108631, 98217262, 245543155, 491086310]

約数ペア:

[(1, 491086310), (2, 245543155), (5, 98217262), (10, 49108631), (11, 44644210), (13, 37775870), (17, 28887430), (22, 22322105), (26, 18887935), (34, 14443715), (55, 8928842), (65, 7555174), (85, 5777486), (110, 4464421), (130, 3777587), (143, 3434170), (170, 2888743), (187, 2626130), (221, 2222110), (286, 1717085), (374, 1313065), (442, 1111055), (715, 686834), (935, 525226), (1105, 444422), (1430, 343417), (1870, 262613), (2210, 222211), (2431, 202010), (4862, 101005), (12155, 40402), (20201, 24310)]