197868360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 609638400

約数和(自身を除く): 411770040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 97, 120, 178, 191, 194, 267, 291, 356, 382, 388, 445, 485, 534, 573, 582, 712, 764, 776, 890, 955, 970, 1068, 1146, 1164, 1335, 1455, 1528, 1780, 1910, 1940, 2136, 2292, 2328, 2670, 2865, 2910, 3560, 3820, 3880, 4584, 5340, 5730, 5820, 7640, 8633, 10680, 11460, 11640, 16999, 17266, 18527, 22920, 25899, 33998, 34532, 37054, 43165, 50997, 51798, 55581, 67996, 69064, 74108, 84995, 86330, 92635, 101994, 103596, 111162, 129495, 135992, 148216, 169990, 172660, 185270, 203988, 207192, 222324, 254985, 258990, 277905, 339980, 345320, 370540, 407976, 444648, 509970, 517980, 555810, 679960, 741080, 1019940, 1035960, 1111620, 1648903, 2039880, 2223240, 3297806, 4946709, 6595612, 8244515, 9893418, 13191224, 16489030, 19786836, 24733545, 32978060, 39573672, 49467090, 65956120, 98934180, 197868360]

約数ペア:

[(1, 197868360), (2, 98934180), (3, 65956120), (4, 49467090), (5, 39573672), (6, 32978060), (8, 24733545), (10, 19786836), (12, 16489030), (15, 13191224), (20, 9893418), (24, 8244515), (30, 6595612), (40, 4946709), (60, 3297806), (89, 2223240), (97, 2039880), (120, 1648903), (178, 1111620), (191, 1035960), (194, 1019940), (267, 741080), (291, 679960), (356, 555810), (382, 517980), (388, 509970), (445, 444648), (485, 407976), (534, 370540), (573, 345320), (582, 339980), (712, 277905), (764, 258990), (776, 254985), (890, 222324), (955, 207192), (970, 203988), (1068, 185270), (1146, 172660), (1164, 169990), (1335, 148216), (1455, 135992), (1528, 129495), (1780, 111162), (1910, 103596), (1940, 101994), (2136, 92635), (2292, 86330), (2328, 84995), (2670, 74108), (2865, 69064), (2910, 67996), (3560, 55581), (3820, 51798), (3880, 50997), (4584, 43165), (5340, 37054), (5730, 34532), (5820, 33998), (7640, 25899), (8633, 22920), (10680, 18527), (11460, 17266), (11640, 16999)]