221388680

素因数分解:

$2^3\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{4759}}^1$

素因数の和:5933

約数の個数: 32

約数和(自身を含む): 498657600

約数和(自身を除く): 277268920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1163, 2326, 4652, 4759, 5815, 9304, 9518, 11630, 19036, 23260, 23795, 38072, 46520, 47590, 95180, 190360, 5534717, 11069434, 22138868, 27673585, 44277736, 55347170, 110694340, 221388680]

約数ペア:

[(1, 221388680), (2, 110694340), (4, 55347170), (5, 44277736), (8, 27673585), (10, 22138868), (20, 11069434), (40, 5534717), (1163, 190360), (2326, 95180), (4652, 47590), (4759, 46520), (5815, 38072), (9304, 23795), (9518, 23260), (11630, 19036)]