1531471970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{66499}}^1$

素因数の和:66567

約数の個数: 48

約数和(自身を含む): 3274992000

約数和(自身を除く): 1743520030

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 329, 470, 490, 658, 1645, 2303, 3290, 4606, 11515, 23030, 66499, 132998, 332495, 465493, 664990, 930986, 2327465, 3125453, 3258451, 4654930, 6250906, 6516902, 15627265, 16292255, 21878171, 31254530, 32584510, 43756342, 109390855, 153147197, 218781710, 306294394, 765735985, 1531471970]

約数ペア:

[(1, 1531471970), (2, 765735985), (5, 306294394), (7, 218781710), (10, 153147197), (14, 109390855), (35, 43756342), (47, 32584510), (49, 31254530), (70, 21878171), (94, 16292255), (98, 15627265), (235, 6516902), (245, 6250906), (329, 4654930), (470, 3258451), (490, 3125453), (658, 2327465), (1645, 930986), (2303, 664990), (3290, 465493), (4606, 332495), (11515, 132998), (23030, 66499)]