355484860

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^2\times {\mathrm{947}}^1$

素因数の和:1230

約数の個数: 36

約数和(自身を含む): 752801112

約数和(自身を除く): 397316252

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 947, 1370, 1894, 2740, 3788, 4735, 9470, 18769, 18940, 37538, 75076, 93845, 129739, 187690, 259478, 375380, 518956, 648695, 1297390, 2594780, 17774243, 35548486, 71096972, 88871215, 177742430, 355484860]

約数ペア:

[(1, 355484860), (2, 177742430), (4, 88871215), (5, 71096972), (10, 35548486), (20, 17774243), (137, 2594780), (274, 1297390), (548, 648695), (685, 518956), (947, 375380), (1370, 259478), (1894, 187690), (2740, 129739), (3788, 93845), (4735, 75076), (9470, 37538), (18769, 18940)]