31067540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 76957440

約数和(自身を除く): 45889900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 79, 106, 140, 158, 212, 265, 316, 371, 395, 530, 553, 742, 790, 1060, 1106, 1484, 1580, 1855, 2212, 2765, 2809, 3710, 4187, 5530, 5618, 7420, 8374, 11060, 11236, 14045, 16748, 19663, 20935, 28090, 29309, 39326, 41870, 56180, 58618, 78652, 83740, 98315, 117236, 146545, 196630, 221911, 293090, 393260, 443822, 586180, 887644, 1109555, 1553377, 2219110, 3106754, 4438220, 6213508, 7766885, 15533770, 31067540]

約数ペア:

[(1, 31067540), (2, 15533770), (4, 7766885), (5, 6213508), (7, 4438220), (10, 3106754), (14, 2219110), (20, 1553377), (28, 1109555), (35, 887644), (53, 586180), (70, 443822), (79, 393260), (106, 293090), (140, 221911), (158, 196630), (212, 146545), (265, 117236), (316, 98315), (371, 83740), (395, 78652), (530, 58618), (553, 56180), (742, 41870), (790, 39326), (1060, 29309), (1106, 28090), (1484, 20935), (1580, 19663), (1855, 16748), (2212, 14045), (2765, 11236), (2809, 11060), (3710, 8374), (4187, 7420), (5530, 5618)]