834820

素因数分解:

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

素因数の和:172

約数の個数: 48

約数和(自身を含む): 2056320

約数和(自身を除く): 1221500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 89, 134, 140, 178, 268, 335, 356, 445, 469, 623, 670, 890, 938, 1246, 1340, 1780, 1876, 2345, 2492, 3115, 4690, 5963, 6230, 9380, 11926, 12460, 23852, 29815, 41741, 59630, 83482, 119260, 166964, 208705, 417410, 834820]

約数ペア:

[(1, 834820), (2, 417410), (4, 208705), (5, 166964), (7, 119260), (10, 83482), (14, 59630), (20, 41741), (28, 29815), (35, 23852), (67, 12460), (70, 11926), (89, 9380), (134, 6230), (140, 5963), (178, 4690), (268, 3115), (335, 2492), (356, 2345), (445, 1876), (469, 1780), (623, 1340), (670, 1246), (890, 938)]