29693780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 64365840

約数和(自身を除く): 34672060

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 109, 212, 218, 257, 265, 436, 514, 530, 545, 1028, 1060, 1090, 1285, 2180, 2570, 5140, 5777, 11554, 13621, 23108, 27242, 28013, 28885, 54484, 56026, 57770, 68105, 112052, 115540, 136210, 140065, 272420, 280130, 560260, 1484689, 2969378, 5938756, 7423445, 14846890, 29693780]

約数ペア:

[(1, 29693780), (2, 14846890), (4, 7423445), (5, 5938756), (10, 2969378), (20, 1484689), (53, 560260), (106, 280130), (109, 272420), (212, 140065), (218, 136210), (257, 115540), (265, 112052), (436, 68105), (514, 57770), (530, 56026), (545, 54484), (1028, 28885), (1060, 28013), (1090, 27242), (1285, 23108), (2180, 13621), (2570, 11554), (5140, 5777)]