79936780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51907}}^1$

素因数の和:51934

約数の個数: 48

約数和(自身を含む): 209293056

約数和(自身を除く): 129356276

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, 51907, 103814, 207628, 259535, 363349, 519070, 570977, 726698, 1038140, 1141954, 1453396, 1816745, 2283908, 2854885, 3633490, 3996839, 5709770, 7266980, 7993678, 11419540, 15987356, 19984195, 39968390, 79936780]

約数ペア:

[(1, 79936780), (2, 39968390), (4, 19984195), (5, 15987356), (7, 11419540), (10, 7993678), (11, 7266980), (14, 5709770), (20, 3996839), (22, 3633490), (28, 2854885), (35, 2283908), (44, 1816745), (55, 1453396), (70, 1141954), (77, 1038140), (110, 726698), (140, 570977), (154, 519070), (220, 363349), (308, 259535), (385, 207628), (770, 103814), (1540, 51907)]