661100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{601}}^1$

素因数の和:626

約数の個数: 36

約数和(自身を含む): 1567608

約数和(自身を除く): 906508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 601, 1100, 1202, 2404, 3005, 6010, 6611, 12020, 13222, 15025, 26444, 30050, 33055, 60100, 66110, 132220, 165275, 330550, 661100]

約数ペア:

[(1, 661100), (2, 330550), (4, 165275), (5, 132220), (10, 66110), (11, 60100), (20, 33055), (22, 30050), (25, 26444), (44, 15025), (50, 13222), (55, 12020), (100, 6611), (110, 6010), (220, 3005), (275, 2404), (550, 1202), (601, 1100)]