397968980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1170497}}^1$

素因数の和:1170523

約数の個数: 24

約数和(自身を含む): 884896488

約数和(自身を除く): 486927508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1170497, 2340994, 4681988, 5852485, 11704970, 19898449, 23409940, 39796898, 79593796, 99492245, 198984490, 397968980]

約数ペア:

[(1, 397968980), (2, 198984490), (4, 99492245), (5, 79593796), (10, 39796898), (17, 23409940), (20, 19898449), (34, 11704970), (68, 5852485), (85, 4681988), (170, 2340994), (340, 1170497)]