2491850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 5074080

約数和(自身を除く): 2582230

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 50, 61, 86, 95, 122, 190, 215, 305, 430, 475, 610, 817, 950, 1075, 1159, 1525, 1634, 2150, 2318, 2623, 3050, 4085, 5246, 5795, 8170, 11590, 13115, 20425, 26230, 28975, 40850, 49837, 57950, 65575, 99674, 131150, 249185, 498370, 1245925, 2491850]

約数ペア:

[(1, 2491850), (2, 1245925), (5, 498370), (10, 249185), (19, 131150), (25, 99674), (38, 65575), (43, 57950), (50, 49837), (61, 40850), (86, 28975), (95, 26230), (122, 20425), (190, 13115), (215, 11590), (305, 8170), (430, 5795), (475, 5246), (610, 4085), (817, 3050), (950, 2623), (1075, 2318), (1159, 2150), (1525, 1634)]