17667580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1301}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 42872256

約数和(自身を除く): 25204676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1301, 1358, 1940, 2602, 2716, 3395, 5204, 6505, 6790, 9107, 13010, 13580, 18214, 26020, 36428, 45535, 91070, 126197, 182140, 252394, 504788, 630985, 883379, 1261970, 1766758, 2523940, 3533516, 4416895, 8833790, 17667580]

約数ペア:

[(1, 17667580), (2, 8833790), (4, 4416895), (5, 3533516), (7, 2523940), (10, 1766758), (14, 1261970), (20, 883379), (28, 630985), (35, 504788), (70, 252394), (97, 182140), (140, 126197), (194, 91070), (388, 45535), (485, 36428), (679, 26020), (970, 18214), (1301, 13580), (1358, 13010), (1940, 9107), (2602, 6790), (2716, 6505), (3395, 5204)]