2029720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 5702400

約数和(自身を除く): 3672680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 659, 770, 1318, 1540, 2636, 3080, 3295, 4613, 5272, 6590, 7249, 9226, 13180, 14498, 18452, 23065, 26360, 28996, 36245, 36904, 46130, 50743, 57992, 72490, 92260, 101486, 144980, 184520, 202972, 253715, 289960, 405944, 507430, 1014860, 2029720]

約数ペア:

[(1, 2029720), (2, 1014860), (4, 507430), (5, 405944), (7, 289960), (8, 253715), (10, 202972), (11, 184520), (14, 144980), (20, 101486), (22, 92260), (28, 72490), (35, 57992), (40, 50743), (44, 46130), (55, 36904), (56, 36245), (70, 28996), (77, 26360), (88, 23065), (110, 18452), (140, 14498), (154, 13180), (220, 9226), (280, 7249), (308, 6590), (385, 5272), (440, 4613), (616, 3295), (659, 3080), (770, 2636), (1318, 1540)]