2877772220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1\times {\mathrm{2053}}^1$

素因数の和:2814

約数の個数: 48

約数和(自身を含む): 6111225120

約数和(自身を除く): 3233452900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 643, 1090, 1286, 2053, 2180, 2572, 3215, 4106, 6430, 8212, 10265, 12860, 20530, 41060, 70087, 140174, 223777, 280348, 350435, 447554, 700870, 895108, 1118885, 1320079, 1401740, 2237770, 2640158, 4475540, 5280316, 6600395, 13200790, 26401580, 143888611, 287777222, 575554444, 719443055, 1438886110, 2877772220]

約数ペア:

[(1, 2877772220), (2, 1438886110), (4, 719443055), (5, 575554444), (10, 287777222), (20, 143888611), (109, 26401580), (218, 13200790), (436, 6600395), (545, 5280316), (643, 4475540), (1090, 2640158), (1286, 2237770), (2053, 1401740), (2180, 1320079), (2572, 1118885), (3215, 895108), (4106, 700870), (6430, 447554), (8212, 350435), (10265, 280348), (12860, 223777), (20530, 140174), (41060, 70087)]