72709090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{250721}}^1$

素因数の和:250757

約数の個数: 16

約数和(自身を含む): 135389880

約数和(自身を除く): 62680790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 250721, 501442, 1253605, 2507210, 7270909, 14541818, 36354545, 72709090]

約数ペア:

[(1, 72709090), (2, 36354545), (5, 14541818), (10, 7270909), (29, 2507210), (58, 1253605), (145, 501442), (290, 250721)]