71318740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4463}}^1$

素因数の和:4536

約数の個数: 48

約数和(自身を含む): 161989632

約数和(自身を除く): 90670892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 4463, 7990, 8926, 15980, 17852, 22315, 44630, 75871, 89260, 151742, 209761, 303484, 379355, 419522, 758710, 839044, 1048805, 1517420, 2097610, 3565937, 4195220, 7131874, 14263748, 17829685, 35659370, 71318740]

約数ペア:

[(1, 71318740), (2, 35659370), (4, 17829685), (5, 14263748), (10, 7131874), (17, 4195220), (20, 3565937), (34, 2097610), (47, 1517420), (68, 1048805), (85, 839044), (94, 758710), (170, 419522), (188, 379355), (235, 303484), (340, 209761), (470, 151742), (799, 89260), (940, 75871), (1598, 44630), (3196, 22315), (3995, 17852), (4463, 15980), (7990, 8926)]