12805660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 31888080

約数和(自身を除く): 19082420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 179, 196, 245, 292, 358, 365, 490, 511, 716, 730, 895, 980, 1022, 1253, 1460, 1790, 2044, 2506, 2555, 3577, 3580, 5012, 5110, 6265, 7154, 8771, 10220, 12530, 13067, 14308, 17542, 17885, 25060, 26134, 35084, 35770, 43855, 52268, 65335, 71540, 87710, 91469, 130670, 175420, 182938, 261340, 365876, 457345, 640283, 914690, 1280566, 1829380, 2561132, 3201415, 6402830, 12805660]

約数ペア:

[(1, 12805660), (2, 6402830), (4, 3201415), (5, 2561132), (7, 1829380), (10, 1280566), (14, 914690), (20, 640283), (28, 457345), (35, 365876), (49, 261340), (70, 182938), (73, 175420), (98, 130670), (140, 91469), (146, 87710), (179, 71540), (196, 65335), (245, 52268), (292, 43855), (358, 35770), (365, 35084), (490, 26134), (511, 25060), (716, 17885), (730, 17542), (895, 14308), (980, 13067), (1022, 12530), (1253, 10220), (1460, 8771), (1790, 7154), (2044, 6265), (2506, 5110), (2555, 5012), (3577, 3580)]