148575320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{86381}}^1$

素因数の和:86435

約数の個数: 32

約数和(自身を含む): 342072720

約数和(自身を除く): 193497400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 86381, 172762, 345524, 431905, 691048, 863810, 1727620, 3455240, 3714383, 7428766, 14857532, 18571915, 29715064, 37143830, 74287660, 148575320]

約数ペア:

[(1, 148575320), (2, 74287660), (4, 37143830), (5, 29715064), (8, 18571915), (10, 14857532), (20, 7428766), (40, 3714383), (43, 3455240), (86, 1727620), (172, 863810), (215, 691048), (344, 431905), (430, 345524), (860, 172762), (1720, 86381)]