2115260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 5261760

約数和(自身を除く): 3146500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 521, 580, 812, 1015, 1042, 2030, 2084, 2605, 3647, 4060, 5210, 7294, 10420, 14588, 15109, 18235, 30218, 36470, 60436, 72940, 75545, 105763, 151090, 211526, 302180, 423052, 528815, 1057630, 2115260]

約数ペア:

[(1, 2115260), (2, 1057630), (4, 528815), (5, 423052), (7, 302180), (10, 211526), (14, 151090), (20, 105763), (28, 75545), (29, 72940), (35, 60436), (58, 36470), (70, 30218), (116, 18235), (140, 15109), (145, 14588), (203, 10420), (290, 7294), (406, 5210), (521, 4060), (580, 3647), (812, 2605), (1015, 2084), (1042, 2030)]