27740060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 59928960

約数和(自身を除く): 32188900

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 158, 181, 194, 316, 362, 388, 395, 485, 724, 790, 905, 970, 1580, 1810, 1940, 3620, 7663, 14299, 15326, 17557, 28598, 30652, 35114, 38315, 57196, 70228, 71495, 76630, 87785, 142990, 153260, 175570, 285980, 351140, 1387003, 2774006, 5548012, 6935015, 13870030, 27740060]

約数ペア:

[(1, 27740060), (2, 13870030), (4, 6935015), (5, 5548012), (10, 2774006), (20, 1387003), (79, 351140), (97, 285980), (158, 175570), (181, 153260), (194, 142990), (316, 87785), (362, 76630), (388, 71495), (395, 70228), (485, 57196), (724, 38315), (790, 35114), (905, 30652), (970, 28598), (1580, 17557), (1810, 15326), (1940, 14299), (3620, 7663)]