56370020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2939}}^1$

素因数の和:3092

約数の個数: 48

約数和(自身を含む): 136321920

約数和(自身を除く): 79951900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 2939, 3836, 4795, 5878, 9590, 11756, 14695, 19180, 20573, 29390, 41146, 58780, 82292, 102865, 205730, 402643, 411460, 805286, 1610572, 2013215, 2818501, 4026430, 5637002, 8052860, 11274004, 14092505, 28185010, 56370020]

約数ペア:

[(1, 56370020), (2, 28185010), (4, 14092505), (5, 11274004), (7, 8052860), (10, 5637002), (14, 4026430), (20, 2818501), (28, 2013215), (35, 1610572), (70, 805286), (137, 411460), (140, 402643), (274, 205730), (548, 102865), (685, 82292), (959, 58780), (1370, 41146), (1918, 29390), (2740, 20573), (2939, 19180), (3836, 14695), (4795, 11756), (5878, 9590)]