70197700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{9887}}^1$

素因数の和:9972

約数の個数: 36

約数和(自身を含む): 154490112

約数和(自身を除く): 84292412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 9887, 19774, 39548, 49435, 98870, 197740, 247175, 494350, 701977, 988700, 1403954, 2807908, 3509885, 7019770, 14039540, 17549425, 35098850, 70197700]

約数ペア:

[(1, 70197700), (2, 35098850), (4, 17549425), (5, 14039540), (10, 7019770), (20, 3509885), (25, 2807908), (50, 1403954), (71, 988700), (100, 701977), (142, 494350), (284, 247175), (355, 197740), (710, 98870), (1420, 49435), (1775, 39548), (3550, 19774), (7100, 9887)]