203663480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{118409}}^1$

素因数の和:118463

約数の個数: 32

約数和(自身を含む): 468903600

約数和(自身を除く): 265240120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 118409, 236818, 473636, 592045, 947272, 1184090, 2368180, 4736360, 5091587, 10183174, 20366348, 25457935, 40732696, 50915870, 101831740, 203663480]

約数ペア:

[(1, 203663480), (2, 101831740), (4, 50915870), (5, 40732696), (8, 25457935), (10, 20366348), (20, 10183174), (40, 5091587), (43, 4736360), (86, 2368180), (172, 1184090), (215, 947272), (344, 592045), (430, 473636), (860, 236818), (1720, 118409)]