7795044820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1\times {\mathrm{13339}}^1$

素因数の和:13888

約数の個数: 48

約数和(自身を含む): 16673932800

約数和(自身を除く): 8878887980

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 479, 610, 958, 1220, 1916, 2395, 4790, 9580, 13339, 26678, 29219, 53356, 58438, 66695, 116876, 133390, 146095, 266780, 292190, 584380, 813679, 1627358, 3254716, 4068395, 6389381, 8136790, 12778762, 16273580, 25557524, 31946905, 63893810, 127787620, 389752241, 779504482, 1559008964, 1948761205, 3897522410, 7795044820]

約数ペア:

[(1, 7795044820), (2, 3897522410), (4, 1948761205), (5, 1559008964), (10, 779504482), (20, 389752241), (61, 127787620), (122, 63893810), (244, 31946905), (305, 25557524), (479, 16273580), (610, 12778762), (958, 8136790), (1220, 6389381), (1916, 4068395), (2395, 3254716), (4790, 1627358), (9580, 813679), (13339, 584380), (26678, 292190), (29219, 266780), (53356, 146095), (58438, 133390), (66695, 116876)]