197262500

素因数分解:

$2^2\times 5^5\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 442721664

約数和(自身を除く): 245459164

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 367, 430, 500, 625, 734, 860, 1075, 1250, 1468, 1835, 2150, 2500, 3125, 3670, 4300, 5375, 6250, 7340, 9175, 10750, 12500, 15781, 18350, 21500, 26875, 31562, 36700, 45875, 53750, 63124, 78905, 91750, 107500, 134375, 157810, 183500, 229375, 268750, 315620, 394525, 458750, 537500, 789050, 917500, 1146875, 1578100, 1972625, 2293750, 3945250, 4587500, 7890500, 9863125, 19726250, 39452500, 49315625, 98631250, 197262500]

約数ペア:

[(1, 197262500), (2, 98631250), (4, 49315625), (5, 39452500), (10, 19726250), (20, 9863125), (25, 7890500), (43, 4587500), (50, 3945250), (86, 2293750), (100, 1972625), (125, 1578100), (172, 1146875), (215, 917500), (250, 789050), (367, 537500), (430, 458750), (500, 394525), (625, 315620), (734, 268750), (860, 229375), (1075, 183500), (1250, 157810), (1468, 134375), (1835, 107500), (2150, 91750), (2500, 78905), (3125, 63124), (3670, 53750), (4300, 45875), (5375, 36700), (6250, 31562), (7340, 26875), (9175, 21500), (10750, 18350), (12500, 15781)]