30642500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 81873792

約数和(自身を除く): 51231292

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 103, 119, 125, 140, 170, 175, 206, 238, 250, 340, 350, 412, 425, 476, 500, 515, 595, 625, 700, 721, 850, 875, 1030, 1190, 1250, 1442, 1700, 1750, 1751, 2060, 2125, 2380, 2500, 2575, 2884, 2975, 3500, 3502, 3605, 4250, 4375, 5150, 5950, 7004, 7210, 8500, 8750, 8755, 10300, 10625, 11900, 12257, 12875, 14420, 14875, 17500, 17510, 18025, 21250, 24514, 25750, 29750, 35020, 36050, 42500, 43775, 49028, 51500, 59500, 61285, 64375, 72100, 74375, 87550, 90125, 122570, 128750, 148750, 175100, 180250, 218875, 245140, 257500, 297500, 306425, 360500, 437750, 450625, 612850, 875500, 901250, 1094375, 1225700, 1532125, 1802500, 2188750, 3064250, 4377500, 6128500, 7660625, 15321250, 30642500]

約数ペア:

[(1, 30642500), (2, 15321250), (4, 7660625), (5, 6128500), (7, 4377500), (10, 3064250), (14, 2188750), (17, 1802500), (20, 1532125), (25, 1225700), (28, 1094375), (34, 901250), (35, 875500), (50, 612850), (68, 450625), (70, 437750), (85, 360500), (100, 306425), (103, 297500), (119, 257500), (125, 245140), (140, 218875), (170, 180250), (175, 175100), (206, 148750), (238, 128750), (250, 122570), (340, 90125), (350, 87550), (412, 74375), (425, 72100), (476, 64375), (500, 61285), (515, 59500), (595, 51500), (625, 49028), (700, 43775), (721, 42500), (850, 36050), (875, 35020), (1030, 29750), (1190, 25750), (1250, 24514), (1442, 21250), (1700, 18025), (1750, 17510), (1751, 17500), (2060, 14875), (2125, 14420), (2380, 12875), (2500, 12257), (2575, 11900), (2884, 10625), (2975, 10300), (3500, 8755), (3502, 8750), (3605, 8500), (4250, 7210), (4375, 7004), (5150, 5950)]