78137220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186041}}^1$

素因数の和:186060

約数の個数: 48

約数和(自身を含む): 250040448

約数和(自身を除く): 171903228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 186041, 372082, 558123, 744164, 930205, 1116246, 1302287, 1860410, 2232492, 2604574, 2790615, 3720820, 3906861, 5209148, 5581230, 6511435, 7813722, 11162460, 13022870, 15627444, 19534305, 26045740, 39068610, 78137220]

約数ペア:

[(1, 78137220), (2, 39068610), (3, 26045740), (4, 19534305), (5, 15627444), (6, 13022870), (7, 11162460), (10, 7813722), (12, 6511435), (14, 5581230), (15, 5209148), (20, 3906861), (21, 3720820), (28, 2790615), (30, 2604574), (35, 2232492), (42, 1860410), (60, 1302287), (70, 1116246), (84, 930205), (105, 744164), (140, 558123), (210, 372082), (420, 186041)]