197560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 486000

約数和(自身を除く): 288440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 449, 898, 1796, 2245, 3592, 4490, 4939, 8980, 9878, 17960, 19756, 24695, 39512, 49390, 98780, 197560]

約数ペア:

[(1, 197560), (2, 98780), (4, 49390), (5, 39512), (8, 24695), (10, 19756), (11, 17960), (20, 9878), (22, 8980), (40, 4939), (44, 4490), (55, 3592), (88, 2245), (110, 1796), (220, 898), (440, 449)]