127927580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13523}}^1$

素因数の和:13586

約数の個数: 48

約数和(自身を含む): 299908224

約数和(自身を除く): 171980644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 13523, 27046, 54092, 67615, 135230, 148753, 270460, 297506, 581489, 595012, 743765, 1162978, 1487530, 2325956, 2907445, 2975060, 5814890, 6396379, 11629780, 12792758, 25585516, 31981895, 63963790, 127927580]

約数ペア:

[(1, 127927580), (2, 63963790), (4, 31981895), (5, 25585516), (10, 12792758), (11, 11629780), (20, 6396379), (22, 5814890), (43, 2975060), (44, 2907445), (55, 2325956), (86, 1487530), (110, 1162978), (172, 743765), (215, 595012), (220, 581489), (430, 297506), (473, 270460), (860, 148753), (946, 135230), (1892, 67615), (2365, 54092), (4730, 27046), (9460, 13523)]