199132020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{122921}}^1$

素因数の和:122942

約数の個数: 60

約数和(自身を含む): 624689604

約数和(自身を除く): 425557584

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 122921, 245842, 368763, 491684, 614605, 737526, 1106289, 1229210, 1475052, 1843815, 2212578, 2458420, 3318867, 3687630, 4425156, 5531445, 6637734, 7375260, 9956601, 11062890, 13275468, 16594335, 19913202, 22125780, 33188670, 39826404, 49783005, 66377340, 99566010, 199132020]

約数ペア:

[(1, 199132020), (2, 99566010), (3, 66377340), (4, 49783005), (5, 39826404), (6, 33188670), (9, 22125780), (10, 19913202), (12, 16594335), (15, 13275468), (18, 11062890), (20, 9956601), (27, 7375260), (30, 6637734), (36, 5531445), (45, 4425156), (54, 3687630), (60, 3318867), (81, 2458420), (90, 2212578), (108, 1843815), (135, 1475052), (162, 1229210), (180, 1106289), (270, 737526), (324, 614605), (405, 491684), (540, 368763), (810, 245842), (1620, 122921)]