128972210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1\times {\mathrm{487}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 236535552

約数和(自身を除く): 107563342

約数列:

[1, 2, 5, 10, 71, 142, 355, 373, 487, 710, 746, 974, 1865, 2435, 3730, 4870, 26483, 34577, 52966, 69154, 132415, 172885, 181651, 264830, 345770, 363302, 908255, 1816510, 12897221, 25794442, 64486105, 128972210]

約数ペア:

[(1, 128972210), (2, 64486105), (5, 25794442), (10, 12897221), (71, 1816510), (142, 908255), (355, 363302), (373, 345770), (487, 264830), (710, 181651), (746, 172885), (974, 132415), (1865, 69154), (2435, 52966), (3730, 34577), (4870, 26483)]