72003890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2591}}^1$

素因数の和:3002

約数の個数: 32

約数和(自身を含む): 148552704

約数和(自身を除く): 76548814

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2591, 2779, 3970, 5182, 5558, 12955, 13895, 18137, 25910, 27790, 36274, 90685, 181370, 1028627, 2057254, 5143135, 7200389, 10286270, 14400778, 36001945, 72003890]

約数ペア:

[(1, 72003890), (2, 36001945), (5, 14400778), (7, 10286270), (10, 7200389), (14, 5143135), (35, 2057254), (70, 1028627), (397, 181370), (794, 90685), (1985, 36274), (2591, 27790), (2779, 25910), (3970, 18137), (5182, 13895), (5558, 12955)]