140630

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{41}}^1$

素因数の和:69

約数の個数: 32

約数和(自身を含む): 302400

約数和(自身を除く): 161770

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 343, 410, 490, 574, 686, 1435, 1715, 2009, 2870, 3430, 4018, 10045, 14063, 20090, 28126, 70315, 140630]

約数ペア:

[(1, 140630), (2, 70315), (5, 28126), (7, 20090), (10, 14063), (14, 10045), (35, 4018), (41, 3430), (49, 2870), (70, 2009), (82, 1715), (98, 1435), (205, 686), (245, 574), (287, 490), (343, 410)]