200804980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{323879}}^1$

素因数の和:323919

約数の個数: 24

約数和(自身を含む): 435294720

約数和(自身を除く): 234489740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 323879, 647758, 1295516, 1619395, 3238790, 6477580, 10040249, 20080498, 40160996, 50201245, 100402490, 200804980]

約数ペア:

[(1, 200804980), (2, 100402490), (4, 50201245), (5, 40160996), (10, 20080498), (20, 10040249), (31, 6477580), (62, 3238790), (124, 1619395), (155, 1295516), (310, 647758), (620, 323879)]