1272507400

素因数分解:

$2^3\times 5^2\times {\mathrm{1721}}^1\times {\mathrm{3697}}^1$

素因数の和:5434

約数の個数: 48

約数和(自身を含む): 2961099540

約数和(自身を除く): 1688592140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1721, 3442, 3697, 6884, 7394, 8605, 13768, 14788, 17210, 18485, 29576, 34420, 36970, 43025, 68840, 73940, 86050, 92425, 147880, 172100, 184850, 344200, 369700, 739400, 6362537, 12725074, 25450148, 31812685, 50900296, 63625370, 127250740, 159063425, 254501480, 318126850, 636253700, 1272507400]

約数ペア:

[(1, 1272507400), (2, 636253700), (4, 318126850), (5, 254501480), (8, 159063425), (10, 127250740), (20, 63625370), (25, 50900296), (40, 31812685), (50, 25450148), (100, 12725074), (200, 6362537), (1721, 739400), (3442, 369700), (3697, 344200), (6884, 184850), (7394, 172100), (8605, 147880), (13768, 92425), (14788, 86050), (17210, 73940), (18485, 68840), (29576, 43025), (34420, 36970)]