66987994900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{557}}^1\times {\mathrm{13513}}^1$

素因数の和:14173

約数の個数: 72

約数和(自身を含む): 147272058360

約数和(自身を除く): 80284063460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 557, 890, 1114, 1780, 2225, 2228, 2785, 4450, 5570, 8900, 11140, 13513, 13925, 27026, 27850, 49573, 54052, 55700, 67565, 99146, 135130, 198292, 247865, 270260, 337825, 495730, 675650, 991460, 1202657, 1239325, 1351300, 2405314, 2478650, 4810628, 4957300, 6013285, 7526741, 12026570, 15053482, 24053140, 30066425, 30106964, 37633705, 60132850, 75267410, 120265700, 150534820, 188168525, 376337050, 669879949, 752674100, 1339759898, 2679519796, 3349399745, 6698799490, 13397598980, 16746998725, 33493997450, 66987994900]

約数ペア:

[(1, 66987994900), (2, 33493997450), (4, 16746998725), (5, 13397598980), (10, 6698799490), (20, 3349399745), (25, 2679519796), (50, 1339759898), (89, 752674100), (100, 669879949), (178, 376337050), (356, 188168525), (445, 150534820), (557, 120265700), (890, 75267410), (1114, 60132850), (1780, 37633705), (2225, 30106964), (2228, 30066425), (2785, 24053140), (4450, 15053482), (5570, 12026570), (8900, 7526741), (11140, 6013285), (13513, 4957300), (13925, 4810628), (27026, 2478650), (27850, 2405314), (49573, 1351300), (54052, 1239325), (55700, 1202657), (67565, 991460), (99146, 675650), (135130, 495730), (198292, 337825), (247865, 270260)]