1311714350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{2447}}^1$

素因数の和:2681

約数の個数: 48

約数和(自身を含む): 2491554816

約数和(自身を除く): 1179840466

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 151, 302, 355, 710, 755, 1510, 1775, 2447, 3550, 3775, 4894, 7550, 10721, 12235, 21442, 24470, 53605, 61175, 107210, 122350, 173737, 268025, 347474, 369497, 536050, 738994, 868685, 1737370, 1847485, 3694970, 4343425, 8686850, 9237425, 18474850, 26234287, 52468574, 131171435, 262342870, 655857175, 1311714350]

約数ペア:

[(1, 1311714350), (2, 655857175), (5, 262342870), (10, 131171435), (25, 52468574), (50, 26234287), (71, 18474850), (142, 9237425), (151, 8686850), (302, 4343425), (355, 3694970), (710, 1847485), (755, 1737370), (1510, 868685), (1775, 738994), (2447, 536050), (3550, 369497), (3775, 347474), (4894, 268025), (7550, 173737), (10721, 122350), (12235, 107210), (21442, 61175), (24470, 53605)]