2217040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 6106752

約数和(自身を除く): 3889712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 107, 112, 140, 148, 185, 214, 259, 280, 296, 370, 428, 518, 535, 560, 592, 740, 749, 856, 1036, 1070, 1295, 1480, 1498, 1712, 2072, 2140, 2590, 2960, 2996, 3745, 3959, 4144, 4280, 5180, 5992, 7490, 7918, 8560, 10360, 11984, 14980, 15836, 19795, 20720, 27713, 29960, 31672, 39590, 55426, 59920, 63344, 79180, 110852, 138565, 158360, 221704, 277130, 316720, 443408, 554260, 1108520, 2217040]

約数ペア:

[(1, 2217040), (2, 1108520), (4, 554260), (5, 443408), (7, 316720), (8, 277130), (10, 221704), (14, 158360), (16, 138565), (20, 110852), (28, 79180), (35, 63344), (37, 59920), (40, 55426), (56, 39590), (70, 31672), (74, 29960), (80, 27713), (107, 20720), (112, 19795), (140, 15836), (148, 14980), (185, 11984), (214, 10360), (259, 8560), (280, 7918), (296, 7490), (370, 5992), (428, 5180), (518, 4280), (535, 4144), (560, 3959), (592, 3745), (740, 2996), (749, 2960), (856, 2590), (1036, 2140), (1070, 2072), (1295, 1712), (1480, 1498)]