320495270690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{654071981}}^1$

素因数の和:654072002

約数の個数: 24

約数和(自身を含む): 671077853532

約数和(自身を除く): 350582582842

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 654071981, 1308143962, 3270359905, 4578503867, 6540719810, 9157007734, 22892519335, 32049527069, 45785038670, 64099054138, 160247635345, 320495270690]

約数ペア:

[(1, 320495270690), (2, 160247635345), (5, 64099054138), (7, 45785038670), (10, 32049527069), (14, 22892519335), (35, 9157007734), (49, 6540719810), (70, 4578503867), (98, 3270359905), (245, 1308143962), (490, 654071981)]