2549900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 5671512

約数和(自身を除く): 3121612

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 593, 860, 1075, 1186, 2150, 2372, 2965, 4300, 5930, 11860, 14825, 25499, 29650, 50998, 59300, 101996, 127495, 254990, 509980, 637475, 1274950, 2549900]

約数ペア:

[(1, 2549900), (2, 1274950), (4, 637475), (5, 509980), (10, 254990), (20, 127495), (25, 101996), (43, 59300), (50, 50998), (86, 29650), (100, 25499), (172, 14825), (215, 11860), (430, 5930), (593, 4300), (860, 2965), (1075, 2372), (1186, 2150)]