2018690870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{3137}}^1$

素因数の和:3497

約数の個数: 64

約数和(自身を含む): 4310858880

約数和(自身を除く): 2292168010

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 317, 406, 634, 1015, 1585, 2030, 2219, 3137, 3170, 4438, 6274, 9193, 11095, 15685, 18386, 21959, 22190, 31370, 43918, 45965, 64351, 90973, 91930, 109795, 128702, 181946, 219590, 321755, 454865, 636811, 643510, 909730, 994429, 1273622, 1988858, 3184055, 4972145, 6368110, 6961003, 9944290, 13922006, 28838441, 34805015, 57676882, 69610030, 144192205, 201869087, 288384410, 403738174, 1009345435, 2018690870]

約数ペア:

[(1, 2018690870), (2, 1009345435), (5, 403738174), (7, 288384410), (10, 201869087), (14, 144192205), (29, 69610030), (35, 57676882), (58, 34805015), (70, 28838441), (145, 13922006), (203, 9944290), (290, 6961003), (317, 6368110), (406, 4972145), (634, 3184055), (1015, 1988858), (1585, 1273622), (2030, 994429), (2219, 909730), (3137, 643510), (3170, 636811), (4438, 454865), (6274, 321755), (9193, 219590), (11095, 181946), (15685, 128702), (18386, 109795), (21959, 91930), (22190, 90973), (31370, 64351), (43918, 45965)]