315620000

素因数分解:

$2^5\times 5^4\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:440

約数の個数: 120

約数和(自身を含む): 796694976

約数和(自身を除く): 481074976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 125, 160, 172, 200, 215, 250, 344, 367, 400, 430, 500, 625, 688, 734, 800, 860, 1000, 1075, 1250, 1376, 1468, 1720, 1835, 2000, 2150, 2500, 2936, 3440, 3670, 4000, 4300, 5000, 5375, 5872, 6880, 7340, 8600, 9175, 10000, 10750, 11744, 14680, 15781, 17200, 18350, 20000, 21500, 26875, 29360, 31562, 34400, 36700, 43000, 45875, 53750, 58720, 63124, 73400, 78905, 86000, 91750, 107500, 126248, 146800, 157810, 172000, 183500, 215000, 229375, 252496, 293600, 315620, 367000, 394525, 430000, 458750, 504992, 631240, 734000, 789050, 860000, 917500, 1262480, 1468000, 1578100, 1835000, 1972625, 2524960, 3156200, 3670000, 3945250, 6312400, 7340000, 7890500, 9863125, 12624800, 15781000, 19726250, 31562000, 39452500, 63124000, 78905000, 157810000, 315620000]

約数ペア:

[(1, 315620000), (2, 157810000), (4, 78905000), (5, 63124000), (8, 39452500), (10, 31562000), (16, 19726250), (20, 15781000), (25, 12624800), (32, 9863125), (40, 7890500), (43, 7340000), (50, 6312400), (80, 3945250), (86, 3670000), (100, 3156200), (125, 2524960), (160, 1972625), (172, 1835000), (200, 1578100), (215, 1468000), (250, 1262480), (344, 917500), (367, 860000), (400, 789050), (430, 734000), (500, 631240), (625, 504992), (688, 458750), (734, 430000), (800, 394525), (860, 367000), (1000, 315620), (1075, 293600), (1250, 252496), (1376, 229375), (1468, 215000), (1720, 183500), (1835, 172000), (2000, 157810), (2150, 146800), (2500, 126248), (2936, 107500), (3440, 91750), (3670, 86000), (4000, 78905), (4300, 73400), (5000, 63124), (5375, 58720), (5872, 53750), (6880, 45875), (7340, 43000), (8600, 36700), (9175, 34400), (10000, 31562), (10750, 29360), (11744, 26875), (14680, 21500), (15781, 20000), (17200, 18350)]