149715760

素因数分解:

$2^4\times 5^1\times {\mathrm{1871447}}^1$

素因数の和:1871460

約数の個数: 20

約数和(自身を含む): 348089328

約数和(自身を除く): 198373568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871447, 3742894, 7485788, 9357235, 14971576, 18714470, 29943152, 37428940, 74857880, 149715760]

約数ペア:

[(1, 149715760), (2, 74857880), (4, 37428940), (5, 29943152), (8, 18714470), (10, 14971576), (16, 9357235), (20, 7485788), (40, 3742894), (80, 1871447)]