1975000

素因数分解:

$2^3\times 5^5\times {\mathrm{79}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 4687200

約数和(自身を除く): 2712200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 395, 500, 625, 632, 790, 1000, 1250, 1580, 1975, 2500, 3125, 3160, 3950, 5000, 6250, 7900, 9875, 12500, 15800, 19750, 25000, 39500, 49375, 79000, 98750, 197500, 246875, 395000, 493750, 987500, 1975000]

約数ペア:

[(1, 1975000), (2, 987500), (4, 493750), (5, 395000), (8, 246875), (10, 197500), (20, 98750), (25, 79000), (40, 49375), (50, 39500), (79, 25000), (100, 19750), (125, 15800), (158, 12500), (200, 9875), (250, 7900), (316, 6250), (395, 5000), (500, 3950), (625, 3160), (632, 3125), (790, 2500), (1000, 1975), (1250, 1580)]