8438290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 18726552

約数和(自身を除く): 10288262

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1013, 1190, 1666, 2026, 4165, 5065, 7091, 8330, 10130, 14182, 17221, 34442, 35455, 49637, 70910, 86105, 99274, 120547, 172210, 241094, 248185, 496370, 602735, 843829, 1205470, 1687658, 4219145, 8438290]

約数ペア:

[(1, 8438290), (2, 4219145), (5, 1687658), (7, 1205470), (10, 843829), (14, 602735), (17, 496370), (34, 248185), (35, 241094), (49, 172210), (70, 120547), (85, 99274), (98, 86105), (119, 70910), (170, 49637), (238, 35455), (245, 34442), (490, 17221), (595, 14182), (833, 10130), (1013, 8330), (1190, 7091), (1666, 5065), (2026, 4165)]