128840450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3697}}^1$

素因数の和:3767

約数の個数: 48

約数和(自身を含む): 259998984

約数和(自身を除く): 131158534

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 410, 425, 697, 850, 1025, 1394, 2050, 3485, 3697, 6970, 7394, 17425, 18485, 34850, 36970, 62849, 92425, 125698, 151577, 184850, 303154, 314245, 628490, 757885, 1515770, 1571225, 2576809, 3142450, 3789425, 5153618, 7578850, 12884045, 25768090, 64420225, 128840450]

約数ペア:

[(1, 128840450), (2, 64420225), (5, 25768090), (10, 12884045), (17, 7578850), (25, 5153618), (34, 3789425), (41, 3142450), (50, 2576809), (82, 1571225), (85, 1515770), (170, 757885), (205, 628490), (410, 314245), (425, 303154), (697, 184850), (850, 151577), (1025, 125698), (1394, 92425), (2050, 62849), (3485, 36970), (3697, 34850), (6970, 18485), (7394, 17425)]