1980110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 3981312

約数和(自身を除く): 2001202

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 383, 470, 517, 766, 1034, 1915, 2585, 3830, 4213, 5170, 8426, 18001, 21065, 36002, 42130, 90005, 180010, 198011, 396022, 990055, 1980110]

約数ペア:

[(1, 1980110), (2, 990055), (5, 396022), (10, 198011), (11, 180010), (22, 90005), (47, 42130), (55, 36002), (94, 21065), (110, 18001), (235, 8426), (383, 5170), (470, 4213), (517, 3830), (766, 2585), (1034, 1915)]