1669640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 4406400

約数和(自身を除く): 2736760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 89, 134, 140, 178, 268, 280, 335, 356, 445, 469, 536, 623, 670, 712, 890, 938, 1246, 1340, 1780, 1876, 2345, 2492, 2680, 3115, 3560, 3752, 4690, 4984, 5963, 6230, 9380, 11926, 12460, 18760, 23852, 24920, 29815, 41741, 47704, 59630, 83482, 119260, 166964, 208705, 238520, 333928, 417410, 834820, 1669640]

約数ペア:

[(1, 1669640), (2, 834820), (4, 417410), (5, 333928), (7, 238520), (8, 208705), (10, 166964), (14, 119260), (20, 83482), (28, 59630), (35, 47704), (40, 41741), (56, 29815), (67, 24920), (70, 23852), (89, 18760), (134, 12460), (140, 11926), (178, 9380), (268, 6230), (280, 5963), (335, 4984), (356, 4690), (445, 3752), (469, 3560), (536, 3115), (623, 2680), (670, 2492), (712, 2345), (890, 1876), (938, 1780), (1246, 1340)]