98102900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{20021}}^1$

素因数の和:20049

約数の個数: 54

約数和(自身を含む): 247652118

約数和(自身を除く): 149549218

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 20021, 40042, 80084, 100105, 140147, 200210, 280294, 400420, 500525, 560588, 700735, 981029, 1001050, 1401470, 1962058, 2002100, 2802940, 3503675, 3924116, 4905145, 7007350, 9810290, 14014700, 19620580, 24525725, 49051450, 98102900]

約数ペア:

[(1, 98102900), (2, 49051450), (4, 24525725), (5, 19620580), (7, 14014700), (10, 9810290), (14, 7007350), (20, 4905145), (25, 3924116), (28, 3503675), (35, 2802940), (49, 2002100), (50, 1962058), (70, 1401470), (98, 1001050), (100, 981029), (140, 700735), (175, 560588), (196, 500525), (245, 400420), (350, 280294), (490, 200210), (700, 140147), (980, 100105), (1225, 80084), (2450, 40042), (4900, 20021)]