229484780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{23087}}^1$

素因数の和:23174

約数の個数: 48

約数和(自身を含む): 558544896

約数和(自身を除く): 329060116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 23087, 46174, 92348, 115435, 161609, 230870, 323218, 461740, 646436, 808045, 1616090, 1639177, 3232180, 3278354, 6556708, 8195885, 11474239, 16391770, 22948478, 32783540, 45896956, 57371195, 114742390, 229484780]

約数ペア:

[(1, 229484780), (2, 114742390), (4, 57371195), (5, 45896956), (7, 32783540), (10, 22948478), (14, 16391770), (20, 11474239), (28, 8195885), (35, 6556708), (70, 3278354), (71, 3232180), (140, 1639177), (142, 1616090), (284, 808045), (355, 646436), (497, 461740), (710, 323218), (994, 230870), (1420, 161609), (1988, 115435), (2485, 92348), (4970, 46174), (9940, 23087)]