11404460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 24948000

約数和(自身を除く): 13543540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 149, 172, 178, 215, 298, 356, 430, 445, 596, 745, 860, 890, 1490, 1780, 2980, 3827, 6407, 7654, 12814, 13261, 15308, 19135, 25628, 26522, 32035, 38270, 53044, 64070, 66305, 76540, 128140, 132610, 265220, 570223, 1140446, 2280892, 2851115, 5702230, 11404460]

約数ペア:

[(1, 11404460), (2, 5702230), (4, 2851115), (5, 2280892), (10, 1140446), (20, 570223), (43, 265220), (86, 132610), (89, 128140), (149, 76540), (172, 66305), (178, 64070), (215, 53044), (298, 38270), (356, 32035), (430, 26522), (445, 25628), (596, 19135), (745, 15308), (860, 13261), (890, 12814), (1490, 7654), (1780, 6407), (2980, 3827)]