200891140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 429004800

約数和(自身を除く): 228113660

約数列:

[1, 2, 4, 5, 10, 20, 127, 139, 254, 278, 508, 556, 569, 635, 695, 1138, 1270, 1390, 2276, 2540, 2780, 2845, 5690, 11380, 17653, 35306, 70612, 72263, 79091, 88265, 144526, 158182, 176530, 289052, 316364, 353060, 361315, 395455, 722630, 790910, 1445260, 1581820, 10044557, 20089114, 40178228, 50222785, 100445570, 200891140]

約数ペア:

[(1, 200891140), (2, 100445570), (4, 50222785), (5, 40178228), (10, 20089114), (20, 10044557), (127, 1581820), (139, 1445260), (254, 790910), (278, 722630), (508, 395455), (556, 361315), (569, 353060), (635, 316364), (695, 289052), (1138, 176530), (1270, 158182), (1390, 144526), (2276, 88265), (2540, 79091), (2780, 72263), (2845, 70612), (5690, 35306), (11380, 17653)]