204407360

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1609}}^1$

素因数の和:2023

約数の個数: 56

約数和(自身を含む): 488274360

約数和(自身を除く): 283867000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 794, 1588, 1609, 1985, 3176, 3218, 3970, 6352, 6436, 7940, 8045, 12704, 12872, 15880, 16090, 25408, 25744, 31760, 32180, 51488, 63520, 64360, 102976, 127040, 128720, 257440, 514880, 638773, 1277546, 2555092, 3193865, 5110184, 6387730, 10220368, 12775460, 20440736, 25550920, 40881472, 51101840, 102203680, 204407360]

約数ペア:

[(1, 204407360), (2, 102203680), (4, 51101840), (5, 40881472), (8, 25550920), (10, 20440736), (16, 12775460), (20, 10220368), (32, 6387730), (40, 5110184), (64, 3193865), (80, 2555092), (160, 1277546), (320, 638773), (397, 514880), (794, 257440), (1588, 128720), (1609, 127040), (1985, 102976), (3176, 64360), (3218, 63520), (3970, 51488), (6352, 32180), (6436, 31760), (7940, 25744), (8045, 25408), (12704, 16090), (12872, 15880)]