438760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1567}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 1128960

約数和(自身を除く): 690200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1567, 3134, 6268, 7835, 10969, 12536, 15670, 21938, 31340, 43876, 54845, 62680, 87752, 109690, 219380, 438760]

約数ペア:

[(1, 438760), (2, 219380), (4, 109690), (5, 87752), (7, 62680), (8, 54845), (10, 43876), (14, 31340), (20, 21938), (28, 15670), (35, 12536), (40, 10969), (56, 7835), (70, 6268), (140, 3134), (280, 1567)]