280147186

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 482630400

約数和(自身を除く): 202483214

約数列:

[1, 2, 11, 22, 31, 62, 107, 121, 214, 242, 341, 349, 682, 698, 1177, 2354, 3317, 3751, 3839, 6634, 7502, 7678, 10819, 12947, 21638, 25894, 36487, 37343, 42229, 72974, 74686, 84458, 119009, 238018, 401357, 410773, 802714, 821546, 1157633, 1309099, 2315266, 2618198, 4518503, 9037006, 12733963, 25467926, 140073593, 280147186]

約数ペア:

[(1, 280147186), (2, 140073593), (11, 25467926), (22, 12733963), (31, 9037006), (62, 4518503), (107, 2618198), (121, 2315266), (214, 1309099), (242, 1157633), (341, 821546), (349, 802714), (682, 410773), (698, 401357), (1177, 238018), (2354, 119009), (3317, 84458), (3751, 74686), (3839, 72974), (6634, 42229), (7502, 37343), (7678, 36487), (10819, 25894), (12947, 21638)]