201780940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{234629}}^1$

素因数の和:234681

約数の個数: 24

約数和(自身を含む): 433596240

約数和(自身を除く): 231815300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 234629, 469258, 938516, 1173145, 2346290, 4692580, 10089047, 20178094, 40356188, 50445235, 100890470, 201780940]

約数ペア:

[(1, 201780940), (2, 100890470), (4, 50445235), (5, 40356188), (10, 20178094), (20, 10089047), (43, 4692580), (86, 2346290), (172, 1173145), (215, 938516), (430, 469258), (860, 234629)]