207642700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{1123}}^1$

素因数の和:1223

約数の個数: 54

約数和(自身を含む): 461717844

約数和(自身を除く): 254075144

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 1123, 1849, 2150, 2246, 3698, 4300, 4492, 5615, 7396, 9245, 11230, 18490, 22460, 28075, 36980, 46225, 48289, 56150, 92450, 96578, 112300, 184900, 193156, 241445, 482890, 965780, 1207225, 2076427, 2414450, 4152854, 4828900, 8305708, 10382135, 20764270, 41528540, 51910675, 103821350, 207642700]

約数ペア:

[(1, 207642700), (2, 103821350), (4, 51910675), (5, 41528540), (10, 20764270), (20, 10382135), (25, 8305708), (43, 4828900), (50, 4152854), (86, 2414450), (100, 2076427), (172, 1207225), (215, 965780), (430, 482890), (860, 241445), (1075, 193156), (1123, 184900), (1849, 112300), (2150, 96578), (2246, 92450), (3698, 56150), (4300, 48289), (4492, 46225), (5615, 36980), (7396, 28075), (9245, 22460), (11230, 18490)]