17298040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 40629600

約数和(自身を除く): 23331560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 113, 172, 178, 215, 226, 344, 356, 430, 445, 452, 565, 712, 860, 890, 904, 1130, 1720, 1780, 2260, 3560, 3827, 4520, 4859, 7654, 9718, 10057, 15308, 19135, 19436, 20114, 24295, 30616, 38270, 38872, 40228, 48590, 50285, 76540, 80456, 97180, 100570, 153080, 194360, 201140, 402280, 432451, 864902, 1729804, 2162255, 3459608, 4324510, 8649020, 17298040]

約数ペア:

[(1, 17298040), (2, 8649020), (4, 4324510), (5, 3459608), (8, 2162255), (10, 1729804), (20, 864902), (40, 432451), (43, 402280), (86, 201140), (89, 194360), (113, 153080), (172, 100570), (178, 97180), (215, 80456), (226, 76540), (344, 50285), (356, 48590), (430, 40228), (445, 38872), (452, 38270), (565, 30616), (712, 24295), (860, 20114), (890, 19436), (904, 19135), (1130, 15308), (1720, 10057), (1780, 9718), (2260, 7654), (3560, 4859), (3827, 4520)]