138491360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{123653}}^1$

素因数の和:123675

約数の個数: 48

約数和(自身を含む): 373929696

約数和(自身を除く): 235438336

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, 123653, 247306, 494612, 618265, 865571, 989224, 1236530, 1731142, 1978448, 2473060, 3462284, 3956896, 4327855, 4946120, 6924568, 8655710, 9892240, 13849136, 17311420, 19784480, 27698272, 34622840, 69245680, 138491360]

約数ペア:

[(1, 138491360), (2, 69245680), (4, 34622840), (5, 27698272), (7, 19784480), (8, 17311420), (10, 13849136), (14, 9892240), (16, 8655710), (20, 6924568), (28, 4946120), (32, 4327855), (35, 3956896), (40, 3462284), (56, 2473060), (70, 1978448), (80, 1731142), (112, 1236530), (140, 989224), (160, 865571), (224, 618265), (280, 494612), (560, 247306), (1120, 123653)]