402077990

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{269851}}^1$

素因数の和:270007

約数の個数: 16

約数和(自身を含む): 728600400

約数和(自身を除く): 326522410

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 269851, 539702, 1349255, 2698510, 40207799, 80415598, 201038995, 402077990]

約数ペア:

[(1, 402077990), (2, 201038995), (5, 80415598), (10, 40207799), (149, 2698510), (298, 1349255), (745, 539702), (1490, 269851)]