9998755480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{35709841}}^1$

素因数の和:35709859

約数の個数: 32

約数和(自身を含む): 25711086240

約数和(自身を除く): 15712330760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 35709841, 71419682, 142839364, 178549205, 249968887, 285678728, 357098410, 499937774, 714196820, 999875548, 1249844435, 1428393640, 1999751096, 2499688870, 4999377740, 9998755480]

約数ペア:

[(1, 9998755480), (2, 4999377740), (4, 2499688870), (5, 1999751096), (7, 1428393640), (8, 1249844435), (10, 999875548), (14, 714196820), (20, 499937774), (28, 357098410), (35, 285678728), (40, 249968887), (56, 178549205), (70, 142839364), (140, 71419682), (280, 35709841)]