890392460

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1\times {\mathrm{797}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 1897541856

約数和(自身を除く): 1007149396

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 673, 797, 830, 1346, 1594, 1660, 2692, 3188, 3365, 3985, 6730, 7970, 13460, 15940, 55859, 66151, 111718, 132302, 223436, 264604, 279295, 330755, 536381, 558590, 661510, 1072762, 1117180, 1323020, 2145524, 2681905, 5363810, 10727620, 44519623, 89039246, 178078492, 222598115, 445196230, 890392460]

約数ペア:

[(1, 890392460), (2, 445196230), (4, 222598115), (5, 178078492), (10, 89039246), (20, 44519623), (83, 10727620), (166, 5363810), (332, 2681905), (415, 2145524), (673, 1323020), (797, 1117180), (830, 1072762), (1346, 661510), (1594, 558590), (1660, 536381), (2692, 330755), (3188, 279295), (3365, 264604), (3985, 223436), (6730, 132302), (7970, 111718), (13460, 66151), (15940, 55859)]