15671902820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{112279}}^1$

素因数の和:113292

約数の個数: 48

約数和(自身を含む): 37650627840

約数和(自身を除く): 21978725020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 997, 1994, 3988, 4985, 6979, 9970, 13958, 19940, 27916, 34895, 69790, 112279, 139580, 224558, 449116, 561395, 785953, 1122790, 1571906, 2245580, 3143812, 3929765, 7859530, 15719060, 111942163, 223884326, 447768652, 559710815, 783595141, 1119421630, 1567190282, 2238843260, 3134380564, 3917975705, 7835951410, 15671902820]

約数ペア:

[(1, 15671902820), (2, 7835951410), (4, 3917975705), (5, 3134380564), (7, 2238843260), (10, 1567190282), (14, 1119421630), (20, 783595141), (28, 559710815), (35, 447768652), (70, 223884326), (140, 111942163), (997, 15719060), (1994, 7859530), (3988, 3929765), (4985, 3143812), (6979, 2245580), (9970, 1571906), (13958, 1122790), (19940, 785953), (27916, 561395), (34895, 449116), (69790, 224558), (112279, 139580)]