149968240

素因数分解:

$2^4\times 5^1\times {\mathrm{1874603}}^1$

素因数の和:1874616

約数の個数: 20

約数和(自身を含む): 348676344

約数和(自身を除く): 198708104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1874603, 3749206, 7498412, 9373015, 14996824, 18746030, 29993648, 37492060, 74984120, 149968240]

約数ペア:

[(1, 149968240), (2, 74984120), (4, 37492060), (5, 29993648), (8, 18746030), (10, 14996824), (16, 9373015), (20, 7498412), (40, 3749206), (80, 1874603)]