2101880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 5482080

約数和(自身を除く): 3380200

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 281, 340, 374, 440, 562, 680, 748, 935, 1124, 1405, 1496, 1870, 2248, 2810, 3091, 3740, 4777, 5620, 6182, 7480, 9554, 11240, 12364, 15455, 19108, 23885, 24728, 30910, 38216, 47770, 52547, 61820, 95540, 105094, 123640, 191080, 210188, 262735, 420376, 525470, 1050940, 2101880]

約数ペア:

[(1, 2101880), (2, 1050940), (4, 525470), (5, 420376), (8, 262735), (10, 210188), (11, 191080), (17, 123640), (20, 105094), (22, 95540), (34, 61820), (40, 52547), (44, 47770), (55, 38216), (68, 30910), (85, 24728), (88, 23885), (110, 19108), (136, 15455), (170, 12364), (187, 11240), (220, 9554), (281, 7480), (340, 6182), (374, 5620), (440, 4777), (562, 3740), (680, 3091), (748, 2810), (935, 2248), (1124, 1870), (1405, 1496)]