71784710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 139918320

約数和(自身を除く): 68133610

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 289, 295, 421, 578, 590, 842, 1003, 1445, 2006, 2105, 2890, 4210, 5015, 7157, 10030, 14314, 17051, 24839, 34102, 35785, 49678, 71570, 85255, 121669, 124195, 170510, 243338, 248390, 422263, 608345, 844526, 1216690, 2111315, 4222630, 7178471, 14356942, 35892355, 71784710]

約数ペア:

[(1, 71784710), (2, 35892355), (5, 14356942), (10, 7178471), (17, 4222630), (34, 2111315), (59, 1216690), (85, 844526), (118, 608345), (170, 422263), (289, 248390), (295, 243338), (421, 170510), (578, 124195), (590, 121669), (842, 85255), (1003, 71570), (1445, 49678), (2006, 35785), (2105, 34102), (2890, 24839), (4210, 17051), (5015, 14314), (7157, 10030)]