205364470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{2131}}^1$

素因数の和:2580

約数の個数: 32

約数和(自身を含む): 386830080

約数和(自身を除く): 181465610

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 419, 838, 2095, 2131, 4190, 4262, 9637, 10655, 19274, 21310, 48185, 49013, 96370, 98026, 245065, 490130, 892889, 1785778, 4464445, 8928890, 20536447, 41072894, 102682235, 205364470]

約数ペア:

[(1, 205364470), (2, 102682235), (5, 41072894), (10, 20536447), (23, 8928890), (46, 4464445), (115, 1785778), (230, 892889), (419, 490130), (838, 245065), (2095, 98026), (2131, 96370), (4190, 49013), (4262, 48185), (9637, 21310), (10655, 19274)]