6642980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 14708736

約数和(自身を除く): 8065756

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 191, 235, 370, 382, 470, 740, 764, 940, 955, 1739, 1910, 3478, 3820, 6956, 7067, 8695, 8977, 14134, 17390, 17954, 28268, 34780, 35335, 35908, 44885, 70670, 89770, 141340, 179540, 332149, 664298, 1328596, 1660745, 3321490, 6642980]

約数ペア:

[(1, 6642980), (2, 3321490), (4, 1660745), (5, 1328596), (10, 664298), (20, 332149), (37, 179540), (47, 141340), (74, 89770), (94, 70670), (148, 44885), (185, 35908), (188, 35335), (191, 34780), (235, 28268), (370, 17954), (382, 17390), (470, 14134), (740, 8977), (764, 8695), (940, 7067), (955, 6956), (1739, 3820), (1910, 3478)]