138507040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{123667}}^1$

素因数の和:123689

約数の個数: 48

約数和(自身を含む): 373972032

約数和(自身を除く): 235464992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 123667, 247334, 494668, 618335, 865669, 989336, 1236670, 1731338, 1978672, 2473340, 3462676, 3957344, 4328345, 4946680, 6925352, 8656690, 9893360, 13850704, 17313380, 19786720, 27701408, 34626760, 69253520, 138507040]

約数ペア:

[(1, 138507040), (2, 69253520), (4, 34626760), (5, 27701408), (7, 19786720), (8, 17313380), (10, 13850704), (14, 9893360), (16, 8656690), (20, 6925352), (28, 4946680), (32, 4328345), (35, 3957344), (40, 3462676), (56, 2473340), (70, 1978672), (80, 1731338), (112, 1236670), (140, 989336), (160, 865669), (224, 618335), (280, 494668), (560, 247334), (1120, 123667)]