212845010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{20407}}^1$

素因数の和:20570

約数の個数: 32

約数和(自身を含む): 440812800

約数和(自身を除く): 227967790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 20407, 40814, 102035, 142849, 204070, 285698, 714245, 1428490, 3040643, 6081286, 15203215, 21284501, 30406430, 42569002, 106422505, 212845010]

約数ペア:

[(1, 212845010), (2, 106422505), (5, 42569002), (7, 30406430), (10, 21284501), (14, 15203215), (35, 6081286), (70, 3040643), (149, 1428490), (298, 714245), (745, 285698), (1043, 204070), (1490, 142849), (2086, 102035), (5215, 40814), (10430, 20407)]