289017620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{4049}}^1$

素因数の和:4184

約数の個数: 48

約数和(自身を含む): 628689600

約数和(自身を除く): 339671980

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 415, 430, 830, 860, 1660, 3569, 4049, 7138, 8098, 14276, 16196, 17845, 20245, 35690, 40490, 71380, 80980, 174107, 336067, 348214, 672134, 696428, 870535, 1344268, 1680335, 1741070, 3360670, 3482140, 6721340, 14450881, 28901762, 57803524, 72254405, 144508810, 289017620]

約数ペア:

[(1, 289017620), (2, 144508810), (4, 72254405), (5, 57803524), (10, 28901762), (20, 14450881), (43, 6721340), (83, 3482140), (86, 3360670), (166, 1741070), (172, 1680335), (215, 1344268), (332, 870535), (415, 696428), (430, 672134), (830, 348214), (860, 336067), (1660, 174107), (3569, 80980), (4049, 71380), (7138, 40490), (8098, 35690), (14276, 20245), (16196, 17845)]