71720450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{84377}}^1$

素因数の和:84406

約数の個数: 24

約数和(自身を含む): 141248772

約数和(自身を除く): 69528322

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 84377, 168754, 421885, 843770, 1434409, 2109425, 2868818, 4218850, 7172045, 14344090, 35860225, 71720450]

約数ペア:

[(1, 71720450), (2, 35860225), (5, 14344090), (10, 7172045), (17, 4218850), (25, 2868818), (34, 2109425), (50, 1434409), (85, 843770), (170, 421885), (425, 168754), (850, 84377)]