2538590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 4976640

約数和(自身を除く): 2438050

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 431, 589, 862, 1178, 2155, 2945, 4310, 5890, 8189, 13361, 16378, 26722, 40945, 66805, 81890, 133610, 253859, 507718, 1269295, 2538590]

約数ペア:

[(1, 2538590), (2, 1269295), (5, 507718), (10, 253859), (19, 133610), (31, 81890), (38, 66805), (62, 40945), (95, 26722), (155, 16378), (190, 13361), (310, 8189), (431, 5890), (589, 4310), (862, 2945), (1178, 2155)]