142397500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 363883520

約数和(自身を除く): 221486020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 103, 125, 140, 158, 175, 206, 250, 316, 350, 395, 412, 500, 515, 553, 625, 700, 721, 790, 875, 1030, 1106, 1250, 1442, 1580, 1750, 1975, 2060, 2212, 2500, 2575, 2765, 2884, 3500, 3605, 3950, 4375, 5150, 5530, 7210, 7900, 8137, 8750, 9875, 10300, 11060, 12875, 13825, 14420, 16274, 17500, 18025, 19750, 25750, 27650, 32548, 36050, 39500, 40685, 49375, 51500, 55300, 56959, 64375, 69125, 72100, 81370, 90125, 98750, 113918, 128750, 138250, 162740, 180250, 197500, 203425, 227836, 257500, 276500, 284795, 345625, 360500, 406850, 450625, 569590, 691250, 813700, 901250, 1017125, 1139180, 1382500, 1423975, 1802500, 2034250, 2847950, 4068500, 5085625, 5695900, 7119875, 10171250, 14239750, 20342500, 28479500, 35599375, 71198750, 142397500]

約数ペア:

[(1, 142397500), (2, 71198750), (4, 35599375), (5, 28479500), (7, 20342500), (10, 14239750), (14, 10171250), (20, 7119875), (25, 5695900), (28, 5085625), (35, 4068500), (50, 2847950), (70, 2034250), (79, 1802500), (100, 1423975), (103, 1382500), (125, 1139180), (140, 1017125), (158, 901250), (175, 813700), (206, 691250), (250, 569590), (316, 450625), (350, 406850), (395, 360500), (412, 345625), (500, 284795), (515, 276500), (553, 257500), (625, 227836), (700, 203425), (721, 197500), (790, 180250), (875, 162740), (1030, 138250), (1106, 128750), (1250, 113918), (1442, 98750), (1580, 90125), (1750, 81370), (1975, 72100), (2060, 69125), (2212, 64375), (2500, 56959), (2575, 55300), (2765, 51500), (2884, 49375), (3500, 40685), (3605, 39500), (3950, 36050), (4375, 32548), (5150, 27650), (5530, 25750), (7210, 19750), (7900, 18025), (8137, 17500), (8750, 16274), (9875, 14420), (10300, 13825), (11060, 12875)]