1888700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 4780944

約数和(自身を除く): 2892244

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 101, 110, 170, 187, 202, 220, 275, 340, 374, 404, 425, 505, 550, 748, 850, 935, 1010, 1100, 1111, 1700, 1717, 1870, 2020, 2222, 2525, 3434, 3740, 4444, 4675, 5050, 5555, 6868, 8585, 9350, 10100, 11110, 17170, 18700, 18887, 22220, 27775, 34340, 37774, 42925, 55550, 75548, 85850, 94435, 111100, 171700, 188870, 377740, 472175, 944350, 1888700]

約数ペア:

[(1, 1888700), (2, 944350), (4, 472175), (5, 377740), (10, 188870), (11, 171700), (17, 111100), (20, 94435), (22, 85850), (25, 75548), (34, 55550), (44, 42925), (50, 37774), (55, 34340), (68, 27775), (85, 22220), (100, 18887), (101, 18700), (110, 17170), (170, 11110), (187, 10100), (202, 9350), (220, 8585), (275, 6868), (340, 5555), (374, 5050), (404, 4675), (425, 4444), (505, 3740), (550, 3434), (748, 2525), (850, 2222), (935, 2020), (1010, 1870), (1100, 1717), (1111, 1700)]