198222200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{8191}}^1$

素因数の和:8229

約数の個数: 72

約数和(自身を含む): 506634240

約数和(自身を除く): 308412040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 968, 1100, 1210, 2200, 2420, 3025, 4840, 6050, 8191, 12100, 16382, 24200, 32764, 40955, 65528, 81910, 90101, 163820, 180202, 204775, 327640, 360404, 409550, 450505, 720808, 819100, 901010, 991111, 1638200, 1802020, 1982222, 2252525, 3604040, 3964444, 4505050, 4955555, 7928888, 9010100, 9911110, 18020200, 19822220, 24777775, 39644440, 49555550, 99111100, 198222200]

約数ペア:

[(1, 198222200), (2, 99111100), (4, 49555550), (5, 39644440), (8, 24777775), (10, 19822220), (11, 18020200), (20, 9911110), (22, 9010100), (25, 7928888), (40, 4955555), (44, 4505050), (50, 3964444), (55, 3604040), (88, 2252525), (100, 1982222), (110, 1802020), (121, 1638200), (200, 991111), (220, 901010), (242, 819100), (275, 720808), (440, 450505), (484, 409550), (550, 360404), (605, 327640), (968, 204775), (1100, 180202), (1210, 163820), (2200, 90101), (2420, 81910), (3025, 65528), (4840, 40955), (6050, 32764), (8191, 24200), (12100, 16382)]