273148900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 612217760

約数和(自身を除く): 339068860

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 139, 172, 215, 278, 430, 457, 556, 695, 860, 914, 1075, 1390, 1828, 2150, 2285, 2780, 3475, 4300, 4570, 5977, 6950, 9140, 11425, 11954, 13900, 19651, 22850, 23908, 29885, 39302, 45700, 59770, 63523, 78604, 98255, 119540, 127046, 149425, 196510, 254092, 298850, 317615, 393020, 491275, 597700, 635230, 982550, 1270460, 1588075, 1965100, 2731489, 3176150, 5462978, 6352300, 10925956, 13657445, 27314890, 54629780, 68287225, 136574450, 273148900]

約数ペア:

[(1, 273148900), (2, 136574450), (4, 68287225), (5, 54629780), (10, 27314890), (20, 13657445), (25, 10925956), (43, 6352300), (50, 5462978), (86, 3176150), (100, 2731489), (139, 1965100), (172, 1588075), (215, 1270460), (278, 982550), (430, 635230), (457, 597700), (556, 491275), (695, 393020), (860, 317615), (914, 298850), (1075, 254092), (1390, 196510), (1828, 149425), (2150, 127046), (2285, 119540), (2780, 98255), (3475, 78604), (4300, 63523), (4570, 59770), (5977, 45700), (6950, 39302), (9140, 29885), (11425, 23908), (11954, 22850), (13900, 19651)]