1689160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 4189500

約数和(自身を除く): 2500340

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 349, 440, 484, 605, 698, 968, 1210, 1396, 1745, 2420, 2792, 3490, 3839, 4840, 6980, 7678, 13960, 15356, 19195, 30712, 38390, 42229, 76780, 84458, 153560, 168916, 211145, 337832, 422290, 844580, 1689160]

約数ペア:

[(1, 1689160), (2, 844580), (4, 422290), (5, 337832), (8, 211145), (10, 168916), (11, 153560), (20, 84458), (22, 76780), (40, 42229), (44, 38390), (55, 30712), (88, 19195), (110, 15356), (121, 13960), (220, 7678), (242, 6980), (349, 4840), (440, 3839), (484, 3490), (605, 2792), (698, 2420), (968, 1745), (1210, 1396)]