27900550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 55978560

約数和(自身を除く): 28078010

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 50, 86, 95, 190, 215, 430, 475, 683, 817, 950, 1075, 1366, 1634, 2150, 3415, 4085, 6830, 8170, 12977, 17075, 20425, 25954, 29369, 34150, 40850, 58738, 64885, 129770, 146845, 293690, 324425, 558011, 648850, 734225, 1116022, 1468450, 2790055, 5580110, 13950275, 27900550]

約数ペア:

[(1, 27900550), (2, 13950275), (5, 5580110), (10, 2790055), (19, 1468450), (25, 1116022), (38, 734225), (43, 648850), (50, 558011), (86, 324425), (95, 293690), (190, 146845), (215, 129770), (430, 64885), (475, 58738), (683, 40850), (817, 34150), (950, 29369), (1075, 25954), (1366, 20425), (1634, 17075), (2150, 12977), (3415, 8170), (4085, 6830)]