489647590

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1\times {\mathrm{853}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 890961120

約数和(自身を除く): 401313530

約数列:

[1, 2, 5, 10, 137, 274, 419, 685, 838, 853, 1370, 1706, 2095, 4190, 4265, 8530, 57403, 114806, 116861, 233722, 287015, 357407, 574030, 584305, 714814, 1168610, 1787035, 3574070, 48964759, 97929518, 244823795, 489647590]

約数ペア:

[(1, 489647590), (2, 244823795), (5, 97929518), (10, 48964759), (137, 3574070), (274, 1787035), (419, 1168610), (685, 714814), (838, 584305), (853, 574030), (1370, 357407), (1706, 287015), (2095, 233722), (4190, 116861), (4265, 114806), (8530, 57403)]