428297680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^2\times {\mathrm{569}}^1$

素因数の和:776

約数の個数: 60

約数和(自身を含む): 1007932140

約数和(自身を除く): 579634460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 569, 776, 970, 1138, 1552, 1940, 2276, 2845, 3880, 4552, 5690, 7760, 9104, 9409, 11380, 18818, 22760, 37636, 45520, 47045, 55193, 75272, 94090, 110386, 150544, 188180, 220772, 275965, 376360, 441544, 551930, 752720, 883088, 1103860, 2207720, 4415440, 5353721, 10707442, 21414884, 26768605, 42829768, 53537210, 85659536, 107074420, 214148840, 428297680]

約数ペア:

[(1, 428297680), (2, 214148840), (4, 107074420), (5, 85659536), (8, 53537210), (10, 42829768), (16, 26768605), (20, 21414884), (40, 10707442), (80, 5353721), (97, 4415440), (194, 2207720), (388, 1103860), (485, 883088), (569, 752720), (776, 551930), (970, 441544), (1138, 376360), (1552, 275965), (1940, 220772), (2276, 188180), (2845, 150544), (3880, 110386), (4552, 94090), (5690, 75272), (7760, 55193), (9104, 47045), (9409, 45520), (11380, 37636), (18818, 22760)]