254163530

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{809}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 464518800

約数和(自身を除く): 210355270

約数列:

[1, 2, 5, 10, 89, 178, 353, 445, 706, 809, 890, 1618, 1765, 3530, 4045, 8090, 31417, 62834, 72001, 144002, 157085, 285577, 314170, 360005, 571154, 720010, 1427885, 2855770, 25416353, 50832706, 127081765, 254163530]

約数ペア:

[(1, 254163530), (2, 127081765), (5, 50832706), (10, 25416353), (89, 2855770), (178, 1427885), (353, 720010), (445, 571154), (706, 360005), (809, 314170), (890, 285577), (1618, 157085), (1765, 144002), (3530, 72001), (4045, 62834), (8090, 31417)]