156889660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{57259}}^1$

素因数の和:57405

約数の個数: 24

約数和(自身を含む): 331878960

約数和(自身を除く): 174989300

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 57259, 114518, 229036, 286295, 572590, 1145180, 7844483, 15688966, 31377932, 39222415, 78444830, 156889660]

約数ペア:

[(1, 156889660), (2, 78444830), (4, 39222415), (5, 31377932), (10, 15688966), (20, 7844483), (137, 1145180), (274, 572590), (548, 286295), (685, 229036), (1370, 114518), (2740, 57259)]