8900860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 20248704

約数和(自身を除く): 11347844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 557, 799, 940, 1114, 1598, 2228, 2785, 3196, 3995, 5570, 7990, 9469, 11140, 15980, 18938, 26179, 37876, 47345, 52358, 94690, 104716, 130895, 189380, 261790, 445043, 523580, 890086, 1780172, 2225215, 4450430, 8900860]

約数ペア:

[(1, 8900860), (2, 4450430), (4, 2225215), (5, 1780172), (10, 890086), (17, 523580), (20, 445043), (34, 261790), (47, 189380), (68, 130895), (85, 104716), (94, 94690), (170, 52358), (188, 47345), (235, 37876), (340, 26179), (470, 18938), (557, 15980), (799, 11140), (940, 9469), (1114, 7990), (1598, 5570), (2228, 3995), (2785, 3196)]