207780950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1091}}^1$

素因数の和:1409

約数の個数: 48

約数和(自身を含む): 418004496

約数和(自身を除く): 210223546

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 293, 325, 586, 650, 1091, 1465, 2182, 2930, 3809, 5455, 7325, 7618, 10910, 14183, 14650, 19045, 27275, 28366, 38090, 54550, 70915, 95225, 141830, 190450, 319663, 354575, 639326, 709150, 1598315, 3196630, 4155619, 7991575, 8311238, 15983150, 20778095, 41556190, 103890475, 207780950]

約数ペア:

[(1, 207780950), (2, 103890475), (5, 41556190), (10, 20778095), (13, 15983150), (25, 8311238), (26, 7991575), (50, 4155619), (65, 3196630), (130, 1598315), (293, 709150), (325, 639326), (586, 354575), (650, 319663), (1091, 190450), (1465, 141830), (2182, 95225), (2930, 70915), (3809, 54550), (5455, 38090), (7325, 28366), (7618, 27275), (10910, 19045), (14183, 14650)]