201723320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{117281}}^1$

素因数の和:117335

約数の個数: 32

約数和(自身を含む): 464436720

約数和(自身を除く): 262713400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 117281, 234562, 469124, 586405, 938248, 1172810, 2345620, 4691240, 5043083, 10086166, 20172332, 25215415, 40344664, 50430830, 100861660, 201723320]

約数ペア:

[(1, 201723320), (2, 100861660), (4, 50430830), (5, 40344664), (8, 25215415), (10, 20172332), (20, 10086166), (40, 5043083), (43, 4691240), (86, 2345620), (172, 1172810), (215, 938248), (344, 586405), (430, 469124), (860, 234562), (1720, 117281)]