88821320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{45317}}^1$

素因数の和:45342

約数の個数: 48

約数和(自身を含む): 232481340

約数和(自身を除く): 143660020

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, 45317, 90634, 181268, 226585, 317219, 362536, 453170, 634438, 906340, 1268876, 1586095, 1812680, 2220533, 2537752, 3172190, 4441066, 6344380, 8882132, 11102665, 12688760, 17764264, 22205330, 44410660, 88821320]

約数ペア:

[(1, 88821320), (2, 44410660), (4, 22205330), (5, 17764264), (7, 12688760), (8, 11102665), (10, 8882132), (14, 6344380), (20, 4441066), (28, 3172190), (35, 2537752), (40, 2220533), (49, 1812680), (56, 1586095), (70, 1268876), (98, 906340), (140, 634438), (196, 453170), (245, 362536), (280, 317219), (392, 226585), (490, 181268), (980, 90634), (1960, 45317)]