68203660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28657}}^1$

素因数の和:28690

約数の個数: 48

約数和(自身を含む): 173323584

約数和(自身を除く): 105119924

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 28657, 57314, 114628, 143285, 200599, 286570, 401198, 487169, 573140, 802396, 974338, 1002995, 1948676, 2005990, 2435845, 3410183, 4011980, 4871690, 6820366, 9743380, 13640732, 17050915, 34101830, 68203660]

約数ペア:

[(1, 68203660), (2, 34101830), (4, 17050915), (5, 13640732), (7, 9743380), (10, 6820366), (14, 4871690), (17, 4011980), (20, 3410183), (28, 2435845), (34, 2005990), (35, 1948676), (68, 1002995), (70, 974338), (85, 802396), (119, 573140), (140, 487169), (170, 401198), (238, 286570), (340, 200599), (476, 143285), (595, 114628), (1190, 57314), (2380, 28657)]