258472020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:697

約数の個数: 96

約数和(自身を含む): 740880000

約数和(自身を除く): 482407980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 97, 178, 194, 267, 291, 356, 388, 445, 485, 499, 534, 582, 890, 970, 998, 1068, 1164, 1335, 1455, 1497, 1780, 1940, 1996, 2495, 2670, 2910, 2994, 4990, 5340, 5820, 5988, 7485, 8633, 9980, 14970, 17266, 25899, 29940, 34532, 43165, 44411, 48403, 51798, 86330, 88822, 96806, 103596, 129495, 133233, 145209, 172660, 177644, 193612, 222055, 242015, 258990, 266466, 290418, 444110, 484030, 517980, 532932, 580836, 666165, 726045, 888220, 968060, 1332330, 1452090, 2664660, 2904180, 4307867, 8615734, 12923601, 17231468, 21539335, 25847202, 43078670, 51694404, 64618005, 86157340, 129236010, 258472020]

約数ペア:

[(1, 258472020), (2, 129236010), (3, 86157340), (4, 64618005), (5, 51694404), (6, 43078670), (10, 25847202), (12, 21539335), (15, 17231468), (20, 12923601), (30, 8615734), (60, 4307867), (89, 2904180), (97, 2664660), (178, 1452090), (194, 1332330), (267, 968060), (291, 888220), (356, 726045), (388, 666165), (445, 580836), (485, 532932), (499, 517980), (534, 484030), (582, 444110), (890, 290418), (970, 266466), (998, 258990), (1068, 242015), (1164, 222055), (1335, 193612), (1455, 177644), (1497, 172660), (1780, 145209), (1940, 133233), (1996, 129495), (2495, 103596), (2670, 96806), (2910, 88822), (2994, 86330), (4990, 51798), (5340, 48403), (5820, 44411), (5988, 43165), (7485, 34532), (8633, 29940), (9980, 25899), (14970, 17266)]