397324540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{863749}}^1$

素因数の和:863781

約数の個数: 24

約数和(自身を含む): 870660000

約数和(自身を除く): 473335460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 863749, 1727498, 3454996, 4318745, 8637490, 17274980, 19866227, 39732454, 79464908, 99331135, 198662270, 397324540]

約数ペア:

[(1, 397324540), (2, 198662270), (4, 99331135), (5, 79464908), (10, 39732454), (20, 19866227), (23, 17274980), (46, 8637490), (92, 4318745), (115, 3454996), (230, 1727498), (460, 863749)]