22129480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 29710520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 149, 158, 188, 235, 298, 316, 376, 395, 470, 596, 632, 745, 790, 940, 1192, 1490, 1580, 1880, 2980, 3160, 3713, 5960, 7003, 7426, 11771, 14006, 14852, 18565, 23542, 28012, 29704, 35015, 37130, 47084, 56024, 58855, 70030, 74260, 94168, 117710, 140060, 148520, 235420, 280120, 470840, 553237, 1106474, 2212948, 2766185, 4425896, 5532370, 11064740, 22129480]

約数ペア:

[(1, 22129480), (2, 11064740), (4, 5532370), (5, 4425896), (8, 2766185), (10, 2212948), (20, 1106474), (40, 553237), (47, 470840), (79, 280120), (94, 235420), (149, 148520), (158, 140060), (188, 117710), (235, 94168), (298, 74260), (316, 70030), (376, 58855), (395, 56024), (470, 47084), (596, 37130), (632, 35015), (745, 29704), (790, 28012), (940, 23542), (1192, 18565), (1490, 14852), (1580, 14006), (1880, 11771), (2980, 7426), (3160, 7003), (3713, 5960)]