716171620

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{139333}}^1$

素因数の和:139599

約数の個数: 24

約数和(自身を含む): 1509823224

約数和(自身を除く): 793651604

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 139333, 278666, 557332, 696665, 1393330, 2786660, 35808581, 71617162, 143234324, 179042905, 358085810, 716171620]

約数ペア:

[(1, 716171620), (2, 358085810), (4, 179042905), (5, 143234324), (10, 71617162), (20, 35808581), (257, 2786660), (514, 1393330), (1028, 696665), (1285, 557332), (2570, 278666), (5140, 139333)]