390119830

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{284759}}^1$

素因数の和:284903

約数の個数: 16

約数和(自身を含む): 707343840

約数和(自身を除く): 317224010

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 284759, 569518, 1423795, 2847590, 39011983, 78023966, 195059915, 390119830]

約数ペア:

[(1, 390119830), (2, 195059915), (5, 78023966), (10, 39011983), (137, 2847590), (274, 1423795), (685, 569518), (1370, 284759)]