3836840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 10056960

約数和(自身を除く): 6220120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 193, 280, 284, 355, 386, 497, 568, 710, 772, 965, 994, 1351, 1420, 1544, 1930, 1988, 2485, 2702, 2840, 3860, 3976, 4970, 5404, 6755, 7720, 9940, 10808, 13510, 13703, 19880, 27020, 27406, 54040, 54812, 68515, 95921, 109624, 137030, 191842, 274060, 383684, 479605, 548120, 767368, 959210, 1918420, 3836840]

約数ペア:

[(1, 3836840), (2, 1918420), (4, 959210), (5, 767368), (7, 548120), (8, 479605), (10, 383684), (14, 274060), (20, 191842), (28, 137030), (35, 109624), (40, 95921), (56, 68515), (70, 54812), (71, 54040), (140, 27406), (142, 27020), (193, 19880), (280, 13703), (284, 13510), (355, 10808), (386, 9940), (497, 7720), (568, 6755), (710, 5404), (772, 4970), (965, 3976), (994, 3860), (1351, 2840), (1420, 2702), (1544, 2485), (1930, 1988)]