989404670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{9349}}^1$

素因数の和:9932

約数の個数: 32

約数和(自身を含む): 1878228000

約数和(自身を除く): 888823330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 557, 1114, 2785, 5570, 9349, 10583, 18698, 21166, 46745, 52915, 93490, 105830, 177631, 355262, 888155, 1776310, 5207393, 10414786, 26036965, 52073930, 98940467, 197880934, 494702335, 989404670]

約数ペア:

[(1, 989404670), (2, 494702335), (5, 197880934), (10, 98940467), (19, 52073930), (38, 26036965), (95, 10414786), (190, 5207393), (557, 1776310), (1114, 888155), (2785, 355262), (5570, 177631), (9349, 105830), (10583, 93490), (18698, 52915), (21166, 46745)]