128581250

素因数分解:

$2^1\times 5^5\times 7^1\times {\mathrm{2939}}^1$

素因数の和:2973

約数の個数: 48

約数和(自身を含む): 275607360

約数和(自身を除く): 147026110

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 2939, 3125, 4375, 5878, 6250, 8750, 14695, 20573, 21875, 29390, 41146, 43750, 73475, 102865, 146950, 205730, 367375, 514325, 734750, 1028650, 1836875, 2571625, 3673750, 5143250, 9184375, 12858125, 18368750, 25716250, 64290625, 128581250]

約数ペア:

[(1, 128581250), (2, 64290625), (5, 25716250), (7, 18368750), (10, 12858125), (14, 9184375), (25, 5143250), (35, 3673750), (50, 2571625), (70, 1836875), (125, 1028650), (175, 734750), (250, 514325), (350, 367375), (625, 205730), (875, 146950), (1250, 102865), (1750, 73475), (2939, 43750), (3125, 41146), (4375, 29390), (5878, 21875), (6250, 20573), (8750, 14695)]