865482440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1\times {\mathrm{751}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 1994664960

約数和(自身を除く): 1129182520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 613, 751, 940, 1226, 1502, 1880, 2452, 3004, 3065, 3755, 4904, 6008, 6130, 7510, 12260, 15020, 24520, 28811, 30040, 35297, 57622, 70594, 115244, 141188, 144055, 176485, 230488, 282376, 288110, 352970, 460363, 576220, 705940, 920726, 1152440, 1411880, 1841452, 2301815, 3682904, 4603630, 9207260, 18414520, 21637061, 43274122, 86548244, 108185305, 173096488, 216370610, 432741220, 865482440]

約数ペア:

[(1, 865482440), (2, 432741220), (4, 216370610), (5, 173096488), (8, 108185305), (10, 86548244), (20, 43274122), (40, 21637061), (47, 18414520), (94, 9207260), (188, 4603630), (235, 3682904), (376, 2301815), (470, 1841452), (613, 1411880), (751, 1152440), (940, 920726), (1226, 705940), (1502, 576220), (1880, 460363), (2452, 352970), (3004, 288110), (3065, 282376), (3755, 230488), (4904, 176485), (6008, 144055), (6130, 141188), (7510, 115244), (12260, 70594), (15020, 57622), (24520, 35297), (28811, 30040)]