1978430

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 24

約数和(自身を含む): 3679992

約数和(自身を除く): 1701562

約数列:

[1, 2, 5, 10, 43, 86, 107, 214, 215, 430, 535, 1070, 1849, 3698, 4601, 9202, 9245, 18490, 23005, 46010, 197843, 395686, 989215, 1978430]

約数ペア:

[(1, 1978430), (2, 989215), (5, 395686), (10, 197843), (43, 46010), (86, 23005), (107, 18490), (214, 9245), (215, 9202), (430, 4601), (535, 3698), (1070, 1849)]