67987420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{557}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 151865280

約数和(自身を除く): 83877860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 359, 557, 718, 1114, 1436, 1795, 2228, 2785, 3590, 5570, 6103, 7180, 9469, 11140, 12206, 18938, 24412, 30515, 37876, 47345, 61030, 94690, 122060, 189380, 199963, 399926, 799852, 999815, 1999630, 3399371, 3999260, 6798742, 13597484, 16996855, 33993710, 67987420]

約数ペア:

[(1, 67987420), (2, 33993710), (4, 16996855), (5, 13597484), (10, 6798742), (17, 3999260), (20, 3399371), (34, 1999630), (68, 999815), (85, 799852), (170, 399926), (340, 199963), (359, 189380), (557, 122060), (718, 94690), (1114, 61030), (1436, 47345), (1795, 37876), (2228, 30515), (2785, 24412), (3590, 18938), (5570, 12206), (6103, 11140), (7180, 9469)]