308843240

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{5519}}^1$

素因数の和:6929

約数の個数: 32

約数和(自身を含む): 695520000

約数和(自身を除く): 386676760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 2798, 5519, 5596, 6995, 11038, 11192, 13990, 22076, 27595, 27980, 44152, 55190, 55960, 110380, 220760, 7721081, 15442162, 30884324, 38605405, 61768648, 77210810, 154421620, 308843240]

約数ペア:

[(1, 308843240), (2, 154421620), (4, 77210810), (5, 61768648), (8, 38605405), (10, 30884324), (20, 15442162), (40, 7721081), (1399, 220760), (2798, 110380), (5519, 55960), (5596, 55190), (6995, 44152), (11038, 27980), (11192, 27595), (13990, 22076)]