388546940

素因数分解:

$2^2\times 5^1\times {\mathrm{3433}}^1\times {\mathrm{5659}}^1$

素因数の和:9101

約数の個数: 24

約数和(自身を含む): 816330480

約数和(自身を除く): 427783540

約数列:

[1, 2, 4, 5, 10, 20, 3433, 5659, 6866, 11318, 13732, 17165, 22636, 28295, 34330, 56590, 68660, 113180, 19427347, 38854694, 77709388, 97136735, 194273470, 388546940]

約数ペア:

[(1, 388546940), (2, 194273470), (4, 97136735), (5, 77709388), (10, 38854694), (20, 19427347), (3433, 113180), (5659, 68660), (6866, 56590), (11318, 34330), (13732, 28295), (17165, 22636)]