280149004790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1\times {\mathrm{22481}}^1$

素因数の和:23057

約数の個数: 64

約数和(自身を含む): 528247863360

約数和(自身を除く): 248098858570

約数列:

[1, 2, 5, 10, 29, 58, 97, 145, 194, 290, 443, 485, 886, 970, 2215, 2813, 4430, 5626, 12847, 14065, 22481, 25694, 28130, 42971, 44962, 64235, 85942, 112405, 128470, 214855, 224810, 429710, 651949, 1246159, 1303898, 2180657, 2492318, 3259745, 4361314, 6230795, 6519490, 9959083, 10903285, 12461590, 19918166, 21806570, 49795415, 63239053, 99590830, 126478106, 288813407, 316195265, 577626814, 632390530, 966031051, 1444067035, 1932062102, 2888134070, 4830155255, 9660310510, 28014900479, 56029800958, 140074502395, 280149004790]

約数ペア:

[(1, 280149004790), (2, 140074502395), (5, 56029800958), (10, 28014900479), (29, 9660310510), (58, 4830155255), (97, 2888134070), (145, 1932062102), (194, 1444067035), (290, 966031051), (443, 632390530), (485, 577626814), (886, 316195265), (970, 288813407), (2215, 126478106), (2813, 99590830), (4430, 63239053), (5626, 49795415), (12847, 21806570), (14065, 19918166), (22481, 12461590), (25694, 10903285), (28130, 9959083), (42971, 6519490), (44962, 6230795), (64235, 4361314), (85942, 3259745), (112405, 2492318), (128470, 2180657), (214855, 1303898), (224810, 1246159), (429710, 651949)]