131855080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{67273}}^1$

素因数の和:67298

約数の個数: 48

約数和(自身を含む): 345115620

約数和(自身を除く): 213260540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 67273, 134546, 269092, 336365, 470911, 538184, 672730, 941822, 1345460, 1883644, 2354555, 2690920, 3296377, 3767288, 4709110, 6592754, 9418220, 13185508, 16481885, 18836440, 26371016, 32963770, 65927540, 131855080]

約数ペア:

[(1, 131855080), (2, 65927540), (4, 32963770), (5, 26371016), (7, 18836440), (8, 16481885), (10, 13185508), (14, 9418220), (20, 6592754), (28, 4709110), (35, 3767288), (40, 3296377), (49, 2690920), (56, 2354555), (70, 1883644), (98, 1345460), (140, 941822), (196, 672730), (245, 538184), (280, 470911), (392, 336365), (490, 269092), (980, 134546), (1960, 67273)]