6645400

素因数分解:

$2^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 15624000

約数和(自身を除く): 8978600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 149, 200, 223, 298, 446, 596, 745, 892, 1115, 1192, 1490, 1784, 2230, 2980, 3725, 4460, 5575, 5960, 7450, 8920, 11150, 14900, 22300, 29800, 33227, 44600, 66454, 132908, 166135, 265816, 332270, 664540, 830675, 1329080, 1661350, 3322700, 6645400]

約数ペア:

[(1, 6645400), (2, 3322700), (4, 1661350), (5, 1329080), (8, 830675), (10, 664540), (20, 332270), (25, 265816), (40, 166135), (50, 132908), (100, 66454), (149, 44600), (200, 33227), (223, 29800), (298, 22300), (446, 14900), (596, 11150), (745, 8920), (892, 7450), (1115, 5960), (1192, 5575), (1490, 4460), (1784, 3725), (2230, 2980)]