11898980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 26853120

約数和(自身を除く): 14954140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 443, 790, 886, 1343, 1580, 1772, 2215, 2686, 4430, 5372, 6715, 7531, 8860, 13430, 15062, 26860, 30124, 34997, 37655, 69994, 75310, 139988, 150620, 174985, 349970, 594949, 699940, 1189898, 2379796, 2974745, 5949490, 11898980]

約数ペア:

[(1, 11898980), (2, 5949490), (4, 2974745), (5, 2379796), (10, 1189898), (17, 699940), (20, 594949), (34, 349970), (68, 174985), (79, 150620), (85, 139988), (158, 75310), (170, 69994), (316, 37655), (340, 34997), (395, 30124), (443, 26860), (790, 15062), (886, 13430), (1343, 8860), (1580, 7531), (1772, 6715), (2215, 5372), (2686, 4430)]