30304840

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1999}}^1$

素因数の和:2389

約数の個数: 32

約数和(自身を含む): 68400000

約数和(自身を除く): 38095160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 1999, 3032, 3790, 3998, 7580, 7996, 9995, 15160, 15992, 19990, 39980, 79960, 757621, 1515242, 3030484, 3788105, 6060968, 7576210, 15152420, 30304840]

約数ペア:

[(1, 30304840), (2, 15152420), (4, 7576210), (5, 6060968), (8, 3788105), (10, 3030484), (20, 1515242), (40, 757621), (379, 79960), (758, 39980), (1516, 19990), (1895, 15992), (1999, 15160), (3032, 9995), (3790, 7996), (3998, 7580)]