3960220

素因数分解:

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

素因数の和:450

約数の個数: 48

約数和(自身を含む): 9289728

約数和(自身を除く): 5329508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 383, 470, 517, 766, 940, 1034, 1532, 1915, 2068, 2585, 3830, 4213, 5170, 7660, 8426, 10340, 16852, 18001, 21065, 36002, 42130, 72004, 84260, 90005, 180010, 198011, 360020, 396022, 792044, 990055, 1980110, 3960220]

約数ペア:

[(1, 3960220), (2, 1980110), (4, 990055), (5, 792044), (10, 396022), (11, 360020), (20, 198011), (22, 180010), (44, 90005), (47, 84260), (55, 72004), (94, 42130), (110, 36002), (188, 21065), (220, 18001), (235, 16852), (383, 10340), (470, 8426), (517, 7660), (766, 5170), (940, 4213), (1034, 3830), (1532, 2585), (1915, 2068)]