257130820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{6073}}^1$

素因数の和:6184

約数の個数: 48

約数和(自身を含む): 566339760

約数和(自身を除く): 309208940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 2117, 4234, 6073, 8468, 10585, 12146, 21170, 24292, 30365, 42340, 60730, 121460, 176117, 352234, 443329, 704468, 880585, 886658, 1761170, 1773316, 2216645, 3522340, 4433290, 8866580, 12856541, 25713082, 51426164, 64282705, 128565410, 257130820]

約数ペア:

[(1, 257130820), (2, 128565410), (4, 64282705), (5, 51426164), (10, 25713082), (20, 12856541), (29, 8866580), (58, 4433290), (73, 3522340), (116, 2216645), (145, 1773316), (146, 1761170), (290, 886658), (292, 880585), (365, 704468), (580, 443329), (730, 352234), (1460, 176117), (2117, 121460), (4234, 60730), (6073, 42340), (8468, 30365), (10585, 24292), (12146, 21170)]