289100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{59}}^1$

素因数の和:87

約数の個数: 54

約数和(自身を含む): 742140

約数和(自身を除く): 453040

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 59, 70, 98, 100, 118, 140, 175, 196, 236, 245, 295, 350, 413, 490, 590, 700, 826, 980, 1180, 1225, 1475, 1652, 2065, 2450, 2891, 2950, 4130, 4900, 5782, 5900, 8260, 10325, 11564, 14455, 20650, 28910, 41300, 57820, 72275, 144550, 289100]

約数ペア:

[(1, 289100), (2, 144550), (4, 72275), (5, 57820), (7, 41300), (10, 28910), (14, 20650), (20, 14455), (25, 11564), (28, 10325), (35, 8260), (49, 5900), (50, 5782), (59, 4900), (70, 4130), (98, 2950), (100, 2891), (118, 2450), (140, 2065), (175, 1652), (196, 1475), (236, 1225), (245, 1180), (295, 980), (350, 826), (413, 700), (490, 590)]