1313432860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1\times {\mathrm{1439}}^1$

素因数の和:2466

約数の個数: 48

約数和(自身を含む): 2821754880

約数和(自身を除く): 1508322020

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 971, 1439, 1942, 2878, 3884, 4855, 5756, 7195, 9710, 14390, 19420, 28780, 45637, 67633, 91274, 135266, 182548, 228185, 270532, 338165, 456370, 676330, 912740, 1352660, 1397269, 2794538, 5589076, 6986345, 13972690, 27945380, 65671643, 131343286, 262686572, 328358215, 656716430, 1313432860]

約数ペア:

[(1, 1313432860), (2, 656716430), (4, 328358215), (5, 262686572), (10, 131343286), (20, 65671643), (47, 27945380), (94, 13972690), (188, 6986345), (235, 5589076), (470, 2794538), (940, 1397269), (971, 1352660), (1439, 912740), (1942, 676330), (2878, 456370), (3884, 338165), (4855, 270532), (5756, 228185), (7195, 182548), (9710, 135266), (14390, 91274), (19420, 67633), (28780, 45637)]