208791860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 449729280

約数和(自身を除く): 240937420

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 389, 470, 571, 778, 940, 1142, 1556, 1945, 2284, 2855, 3890, 5710, 7780, 11420, 18283, 26837, 36566, 53674, 73132, 91415, 107348, 134185, 182830, 222119, 268370, 365660, 444238, 536740, 888476, 1110595, 2221190, 4442380, 10439593, 20879186, 41758372, 52197965, 104395930, 208791860]

約数ペア:

[(1, 208791860), (2, 104395930), (4, 52197965), (5, 41758372), (10, 20879186), (20, 10439593), (47, 4442380), (94, 2221190), (188, 1110595), (235, 888476), (389, 536740), (470, 444238), (571, 365660), (778, 268370), (940, 222119), (1142, 182830), (1556, 134185), (1945, 107348), (2284, 91415), (2855, 73132), (3890, 53674), (5710, 36566), (7780, 26837), (11420, 18283)]