71607770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 149143680

約数和(自身を除く): 77535910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 53, 65, 95, 106, 130, 190, 247, 265, 494, 530, 547, 689, 1007, 1094, 1235, 1378, 2014, 2470, 2735, 3445, 5035, 5470, 6890, 7111, 10070, 10393, 13091, 14222, 20786, 26182, 28991, 35555, 51965, 57982, 65455, 71110, 103930, 130910, 135109, 144955, 270218, 289910, 376883, 550829, 675545, 753766, 1101658, 1351090, 1884415, 2754145, 3768830, 5508290, 7160777, 14321554, 35803885, 71607770]

約数ペア:

[(1, 71607770), (2, 35803885), (5, 14321554), (10, 7160777), (13, 5508290), (19, 3768830), (26, 2754145), (38, 1884415), (53, 1351090), (65, 1101658), (95, 753766), (106, 675545), (130, 550829), (190, 376883), (247, 289910), (265, 270218), (494, 144955), (530, 135109), (547, 130910), (689, 103930), (1007, 71110), (1094, 65455), (1235, 57982), (1378, 51965), (2014, 35555), (2470, 28991), (2735, 26182), (3445, 20786), (5035, 14222), (5470, 13091), (6890, 10393), (7111, 10070)]