1531250

素因数分解:

$2^1\times 5^6\times 7^2$

素因数の和:46

約数の個数: 42

約数和(自身を含む): 3339801

約数和(自身を除く): 1808551

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 490, 625, 875, 1225, 1250, 1750, 2450, 3125, 4375, 6125, 6250, 8750, 12250, 15625, 21875, 30625, 31250, 43750, 61250, 109375, 153125, 218750, 306250, 765625, 1531250]

約数ペア:

[(1, 1531250), (2, 765625), (5, 306250), (7, 218750), (10, 153125), (14, 109375), (25, 61250), (35, 43750), (49, 31250), (50, 30625), (70, 21875), (98, 15625), (125, 12250), (175, 8750), (245, 6250), (250, 6125), (350, 4375), (490, 3125), (625, 2450), (875, 1750), (1225, 1250)]