2000900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 5062176

約数和(自身を除く): 3061276

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 107, 110, 170, 187, 214, 220, 275, 340, 374, 425, 428, 535, 550, 748, 850, 935, 1070, 1100, 1177, 1700, 1819, 1870, 2140, 2354, 2675, 3638, 3740, 4675, 4708, 5350, 5885, 7276, 9095, 9350, 10700, 11770, 18190, 18700, 20009, 23540, 29425, 36380, 40018, 45475, 58850, 80036, 90950, 100045, 117700, 181900, 200090, 400180, 500225, 1000450, 2000900]

約数ペア:

[(1, 2000900), (2, 1000450), (4, 500225), (5, 400180), (10, 200090), (11, 181900), (17, 117700), (20, 100045), (22, 90950), (25, 80036), (34, 58850), (44, 45475), (50, 40018), (55, 36380), (68, 29425), (85, 23540), (100, 20009), (107, 18700), (110, 18190), (170, 11770), (187, 10700), (214, 9350), (220, 9095), (275, 7276), (340, 5885), (374, 5350), (425, 4708), (428, 4675), (535, 3740), (550, 3638), (748, 2675), (850, 2354), (935, 2140), (1070, 1870), (1100, 1819), (1177, 1700)]