51982000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 148561920

約数和(自身を除く): 96579920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 47, 50, 56, 70, 79, 80, 94, 100, 112, 125, 140, 158, 175, 188, 200, 235, 250, 280, 316, 329, 350, 376, 395, 400, 470, 500, 553, 560, 632, 658, 700, 752, 790, 875, 940, 1000, 1106, 1175, 1264, 1316, 1400, 1580, 1645, 1750, 1880, 1975, 2000, 2212, 2350, 2632, 2765, 2800, 3160, 3290, 3500, 3713, 3760, 3950, 4424, 4700, 5264, 5530, 5875, 6320, 6580, 7000, 7426, 7900, 8225, 8848, 9400, 9875, 11060, 11750, 13160, 13825, 14000, 14852, 15800, 16450, 18565, 18800, 19750, 22120, 23500, 25991, 26320, 27650, 29704, 31600, 32900, 37130, 39500, 41125, 44240, 47000, 51982, 55300, 59408, 65800, 69125, 74260, 79000, 82250, 92825, 94000, 103964, 110600, 129955, 131600, 138250, 148520, 158000, 164500, 185650, 207928, 221200, 259910, 276500, 297040, 329000, 371300, 415856, 464125, 519820, 553000, 649775, 658000, 742600, 928250, 1039640, 1106000, 1299550, 1485200, 1856500, 2079280, 2599100, 3248875, 3713000, 5198200, 6497750, 7426000, 10396400, 12995500, 25991000, 51982000]

約数ペア:

[(1, 51982000), (2, 25991000), (4, 12995500), (5, 10396400), (7, 7426000), (8, 6497750), (10, 5198200), (14, 3713000), (16, 3248875), (20, 2599100), (25, 2079280), (28, 1856500), (35, 1485200), (40, 1299550), (47, 1106000), (50, 1039640), (56, 928250), (70, 742600), (79, 658000), (80, 649775), (94, 553000), (100, 519820), (112, 464125), (125, 415856), (140, 371300), (158, 329000), (175, 297040), (188, 276500), (200, 259910), (235, 221200), (250, 207928), (280, 185650), (316, 164500), (329, 158000), (350, 148520), (376, 138250), (395, 131600), (400, 129955), (470, 110600), (500, 103964), (553, 94000), (560, 92825), (632, 82250), (658, 79000), (700, 74260), (752, 69125), (790, 65800), (875, 59408), (940, 55300), (1000, 51982), (1106, 47000), (1175, 44240), (1264, 41125), (1316, 39500), (1400, 37130), (1580, 32900), (1645, 31600), (1750, 29704), (1880, 27650), (1975, 26320), (2000, 25991), (2212, 23500), (2350, 22120), (2632, 19750), (2765, 18800), (2800, 18565), (3160, 16450), (3290, 15800), (3500, 14852), (3713, 14000), (3760, 13825), (3950, 13160), (4424, 11750), (4700, 11060), (5264, 9875), (5530, 9400), (5875, 8848), (6320, 8225), (6580, 7900), (7000, 7426)]