128646980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83537}}^1$

素因数の和:83564

約数の個数: 48

約数和(自身を含む): 336825216

約数和(自身を除く): 208178236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 83537, 167074, 334148, 417685, 584759, 835370, 918907, 1169518, 1670740, 1837814, 2339036, 2923795, 3675628, 4594535, 5847590, 6432349, 9189070, 11695180, 12864698, 18378140, 25729396, 32161745, 64323490, 128646980]

約数ペア:

[(1, 128646980), (2, 64323490), (4, 32161745), (5, 25729396), (7, 18378140), (10, 12864698), (11, 11695180), (14, 9189070), (20, 6432349), (22, 5847590), (28, 4594535), (35, 3675628), (44, 2923795), (55, 2339036), (70, 1837814), (77, 1670740), (110, 1169518), (140, 918907), (154, 835370), (220, 584759), (308, 417685), (385, 334148), (770, 167074), (1540, 83537)]