388496980

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{34019}}^1$

素因数の和:34599

約数の個数: 24

約数和(自身を含む): 817296480

約数和(自身を除く): 428799500

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 34019, 68038, 136076, 170095, 340190, 680380, 19424849, 38849698, 77699396, 97124245, 194248490, 388496980]

約数ペア:

[(1, 388496980), (2, 194248490), (4, 97124245), (5, 77699396), (10, 38849698), (20, 19424849), (571, 680380), (1142, 340190), (2284, 170095), (2855, 136076), (5710, 68038), (11420, 34019)]