2838640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 7803072

約数和(自身を除く): 4964432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 137, 140, 148, 185, 259, 274, 280, 296, 370, 518, 548, 560, 592, 685, 740, 959, 1036, 1096, 1295, 1370, 1480, 1918, 2072, 2192, 2590, 2740, 2960, 3836, 4144, 4795, 5069, 5180, 5480, 7672, 9590, 10138, 10360, 10960, 15344, 19180, 20276, 20720, 25345, 35483, 38360, 40552, 50690, 70966, 76720, 81104, 101380, 141932, 177415, 202760, 283864, 354830, 405520, 567728, 709660, 1419320, 2838640]

約数ペア:

[(1, 2838640), (2, 1419320), (4, 709660), (5, 567728), (7, 405520), (8, 354830), (10, 283864), (14, 202760), (16, 177415), (20, 141932), (28, 101380), (35, 81104), (37, 76720), (40, 70966), (56, 50690), (70, 40552), (74, 38360), (80, 35483), (112, 25345), (137, 20720), (140, 20276), (148, 19180), (185, 15344), (259, 10960), (274, 10360), (280, 10138), (296, 9590), (370, 7672), (518, 5480), (548, 5180), (560, 5069), (592, 4795), (685, 4144), (740, 3836), (959, 2960), (1036, 2740), (1096, 2590), (1295, 2192), (1370, 2072), (1480, 1918)]