278807425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 395738560

約数和(自身を除く): 116931135

約数列:

[1, 5, 13, 19, 25, 65, 95, 163, 247, 277, 325, 475, 815, 1235, 1385, 2119, 3097, 3601, 4075, 5263, 6175, 6925, 10595, 15485, 18005, 26315, 40261, 45151, 52975, 68419, 77425, 90025, 131575, 201305, 225755, 342095, 586963, 857869, 1006525, 1128775, 1710475, 2934815, 4289345, 11152297, 14674075, 21446725, 55761485, 278807425]

約数ペア:

[(1, 278807425), (5, 55761485), (13, 21446725), (19, 14674075), (25, 11152297), (65, 4289345), (95, 2934815), (163, 1710475), (247, 1128775), (277, 1006525), (325, 857869), (475, 586963), (815, 342095), (1235, 225755), (1385, 201305), (2119, 131575), (3097, 90025), (3601, 77425), (4075, 68419), (5263, 52975), (6175, 45151), (6925, 40261), (10595, 26315), (15485, 18005)]