157421320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{80317}}^1$

素因数の和:80342

約数の個数: 48

約数和(自身を含む): 412031340

約数和(自身を除く): 254610020

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, 80317, 160634, 321268, 401585, 562219, 642536, 803170, 1124438, 1606340, 2248876, 2811095, 3212680, 3935533, 4497752, 5622190, 7871066, 11244380, 15742132, 19677665, 22488760, 31484264, 39355330, 78710660, 157421320]

約数ペア:

[(1, 157421320), (2, 78710660), (4, 39355330), (5, 31484264), (7, 22488760), (8, 19677665), (10, 15742132), (14, 11244380), (20, 7871066), (28, 5622190), (35, 4497752), (40, 3935533), (49, 3212680), (56, 2811095), (70, 2248876), (98, 1606340), (140, 1124438), (196, 803170), (245, 642536), (280, 562219), (392, 401585), (490, 321268), (980, 160634), (1960, 80317)]