190030520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{128399}}^1$

素因数の和:128447

約数の個数: 32

約数和(自身を含む): 439128000

約数和(自身を除く): 249097480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 128399, 256798, 513596, 641995, 1027192, 1283990, 2567980, 4750763, 5135960, 9501526, 19003052, 23753815, 38006104, 47507630, 95015260, 190030520]

約数ペア:

[(1, 190030520), (2, 95015260), (4, 47507630), (5, 38006104), (8, 23753815), (10, 19003052), (20, 9501526), (37, 5135960), (40, 4750763), (74, 2567980), (148, 1283990), (185, 1027192), (296, 641995), (370, 513596), (740, 256798), (1480, 128399)]