8881250

素因数分解:

$2^1\times 5^5\times 7^2\times {\mathrm{29}}^1$

素因数の和:70

約数の個数: 72

約数和(自身を含む): 20037780

約数和(自身を除く): 11156530

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 49, 50, 58, 70, 98, 125, 145, 175, 203, 245, 250, 290, 350, 406, 490, 625, 725, 875, 1015, 1225, 1250, 1421, 1450, 1750, 2030, 2450, 2842, 3125, 3625, 4375, 5075, 6125, 6250, 7105, 7250, 8750, 10150, 12250, 14210, 18125, 21875, 25375, 30625, 35525, 36250, 43750, 50750, 61250, 71050, 90625, 126875, 153125, 177625, 181250, 253750, 306250, 355250, 634375, 888125, 1268750, 1776250, 4440625, 8881250]

約数ペア:

[(1, 8881250), (2, 4440625), (5, 1776250), (7, 1268750), (10, 888125), (14, 634375), (25, 355250), (29, 306250), (35, 253750), (49, 181250), (50, 177625), (58, 153125), (70, 126875), (98, 90625), (125, 71050), (145, 61250), (175, 50750), (203, 43750), (245, 36250), (250, 35525), (290, 30625), (350, 25375), (406, 21875), (490, 18125), (625, 14210), (725, 12250), (875, 10150), (1015, 8750), (1225, 7250), (1250, 7105), (1421, 6250), (1450, 6125), (1750, 5075), (2030, 4375), (2450, 3625), (2842, 3125)]