127906520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{456809}}^1$

素因数の和:456827

約数の個数: 32

約数和(自身を含む): 328903200

約数和(自身を除く): 200996680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 456809, 913618, 1827236, 2284045, 3197663, 3654472, 4568090, 6395326, 9136180, 12790652, 15988315, 18272360, 25581304, 31976630, 63953260, 127906520]

約数ペア:

[(1, 127906520), (2, 63953260), (4, 31976630), (5, 25581304), (7, 18272360), (8, 15988315), (10, 12790652), (14, 9136180), (20, 6395326), (28, 4568090), (35, 3654472), (40, 3197663), (56, 2284045), (70, 1827236), (140, 913618), (280, 456809)]