220575340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8887}}^1$

素因数の和:8986

約数の個数: 48

約数和(自身を含む): 497230272

約数和(自身を除く): 276654932

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1460, 2482, 4964, 6205, 8887, 12410, 17774, 24820, 35548, 44435, 88870, 151079, 177740, 302158, 604316, 648751, 755395, 1297502, 1510790, 2595004, 3021580, 3243755, 6487510, 11028767, 12975020, 22057534, 44115068, 55143835, 110287670, 220575340]

約数ペア:

[(1, 220575340), (2, 110287670), (4, 55143835), (5, 44115068), (10, 22057534), (17, 12975020), (20, 11028767), (34, 6487510), (68, 3243755), (73, 3021580), (85, 2595004), (146, 1510790), (170, 1297502), (292, 755395), (340, 648751), (365, 604316), (730, 302158), (1241, 177740), (1460, 151079), (2482, 88870), (4964, 44435), (6205, 35548), (8887, 24820), (12410, 17774)]