208040820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{266719}}^1$

素因数の和:266744

約数の個数: 48

約数和(自身を含む): 627325440

約数和(自身を除く): 419284620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 266719, 533438, 800157, 1066876, 1333595, 1600314, 2667190, 3200628, 3467347, 4000785, 5334380, 6934694, 8001570, 10402041, 13869388, 16003140, 17336735, 20804082, 34673470, 41608164, 52010205, 69346940, 104020410, 208040820]

約数ペア:

[(1, 208040820), (2, 104020410), (3, 69346940), (4, 52010205), (5, 41608164), (6, 34673470), (10, 20804082), (12, 17336735), (13, 16003140), (15, 13869388), (20, 10402041), (26, 8001570), (30, 6934694), (39, 5334380), (52, 4000785), (60, 3467347), (65, 3200628), (78, 2667190), (130, 1600314), (156, 1333595), (195, 1066876), (260, 800157), (390, 533438), (780, 266719)]