287777210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{2069}}^1$

素因数の和:4070

約数の個数: 32

約数和(自身を含む): 592583040

約数和(自身を除く): 304805830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1987, 2069, 3974, 4138, 9935, 10345, 13909, 14483, 19870, 20690, 27818, 28966, 69545, 72415, 139090, 144830, 4111103, 8222206, 20555515, 28777721, 41111030, 57555442, 143888605, 287777210]

約数ペア:

[(1, 287777210), (2, 143888605), (5, 57555442), (7, 41111030), (10, 28777721), (14, 20555515), (35, 8222206), (70, 4111103), (1987, 144830), (2069, 139090), (3974, 72415), (4138, 69545), (9935, 28966), (10345, 27818), (13909, 20690), (14483, 19870)]