31382300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 72912000

約数和(自身を除く): 41529700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 166, 190, 199, 332, 380, 398, 415, 475, 796, 830, 950, 995, 1577, 1660, 1900, 1990, 2075, 3154, 3781, 3980, 4150, 4975, 6308, 7562, 7885, 8300, 9950, 15124, 15770, 16517, 18905, 19900, 31540, 33034, 37810, 39425, 66068, 75620, 78850, 82585, 94525, 157700, 165170, 189050, 313823, 330340, 378100, 412925, 627646, 825850, 1255292, 1569115, 1651700, 3138230, 6276460, 7845575, 15691150, 31382300]

約数ペア:

[(1, 31382300), (2, 15691150), (4, 7845575), (5, 6276460), (10, 3138230), (19, 1651700), (20, 1569115), (25, 1255292), (38, 825850), (50, 627646), (76, 412925), (83, 378100), (95, 330340), (100, 313823), (166, 189050), (190, 165170), (199, 157700), (332, 94525), (380, 82585), (398, 78850), (415, 75620), (475, 66068), (796, 39425), (830, 37810), (950, 33034), (995, 31540), (1577, 19900), (1660, 18905), (1900, 16517), (1990, 15770), (2075, 15124), (3154, 9950), (3781, 8300), (3980, 7885), (4150, 7562), (4975, 6308)]