221960004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{5171}}^1$

素因数の和:5265

約数の個数: 72

約数和(自身を含む): 610833888

約数和(自身を除く): 388873884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 438, 511, 588, 876, 1022, 1533, 2044, 3066, 3577, 5171, 6132, 7154, 10342, 10731, 14308, 15513, 20684, 21462, 31026, 36197, 42924, 62052, 72394, 108591, 144788, 217182, 253379, 377483, 434364, 506758, 754966, 760137, 1013516, 1132449, 1509932, 1520274, 2264898, 2642381, 3040548, 4529796, 5284762, 7927143, 10569524, 15854286, 18496667, 31708572, 36993334, 55490001, 73986668, 110980002, 221960004]

約数ペア:

[(1, 221960004), (2, 110980002), (3, 73986668), (4, 55490001), (6, 36993334), (7, 31708572), (12, 18496667), (14, 15854286), (21, 10569524), (28, 7927143), (42, 5284762), (49, 4529796), (73, 3040548), (84, 2642381), (98, 2264898), (146, 1520274), (147, 1509932), (196, 1132449), (219, 1013516), (292, 760137), (294, 754966), (438, 506758), (511, 434364), (588, 377483), (876, 253379), (1022, 217182), (1533, 144788), (2044, 108591), (3066, 72394), (3577, 62052), (5171, 42924), (6132, 36197), (7154, 31026), (10342, 21462), (10731, 20684), (14308, 15513)]