7444780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1297}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 18317376

約数和(自身を除く): 10872596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1297, 1435, 2594, 2870, 5188, 5740, 6485, 9079, 12970, 18158, 25940, 36316, 45395, 53177, 90790, 106354, 181580, 212708, 265885, 372239, 531770, 744478, 1063540, 1488956, 1861195, 3722390, 7444780]

約数ペア:

[(1, 7444780), (2, 3722390), (4, 1861195), (5, 1488956), (7, 1063540), (10, 744478), (14, 531770), (20, 372239), (28, 265885), (35, 212708), (41, 181580), (70, 106354), (82, 90790), (140, 53177), (164, 45395), (205, 36316), (287, 25940), (410, 18158), (574, 12970), (820, 9079), (1148, 6485), (1297, 5740), (1435, 5188), (2594, 2870)]