2140980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2099}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 4209420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 2099, 4198, 6297, 8396, 10495, 12594, 20990, 25188, 31485, 35683, 41980, 62970, 71366, 107049, 125940, 142732, 178415, 214098, 356830, 428196, 535245, 713660, 1070490, 2140980]

約数ペア:

[(1, 2140980), (2, 1070490), (3, 713660), (4, 535245), (5, 428196), (6, 356830), (10, 214098), (12, 178415), (15, 142732), (17, 125940), (20, 107049), (30, 71366), (34, 62970), (51, 41980), (60, 35683), (68, 31485), (85, 25188), (102, 20990), (170, 12594), (204, 10495), (255, 8396), (340, 6297), (510, 4198), (1020, 2099)]