22918420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1289}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 55480320

約数和(自身を除く): 32561900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1289, 1778, 2540, 2578, 3556, 4445, 5156, 6445, 8890, 9023, 12890, 17780, 18046, 25780, 36092, 45115, 90230, 163703, 180460, 327406, 654812, 818515, 1145921, 1637030, 2291842, 3274060, 4583684, 5729605, 11459210, 22918420]

約数ペア:

[(1, 22918420), (2, 11459210), (4, 5729605), (5, 4583684), (7, 3274060), (10, 2291842), (14, 1637030), (20, 1145921), (28, 818515), (35, 654812), (70, 327406), (127, 180460), (140, 163703), (254, 90230), (508, 45115), (635, 36092), (889, 25780), (1270, 18046), (1289, 17780), (1778, 12890), (2540, 9023), (2578, 8890), (3556, 6445), (4445, 5156)]