525294020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{6863}}^1$

素因数の和:7004

約数の個数: 48

約数和(自身を含む): 1141620480

約数和(自身を除く): 616326460

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1780, 3827, 6863, 7654, 13726, 15308, 19135, 27452, 34315, 38270, 68630, 76540, 137260, 295109, 590218, 610807, 1180436, 1221614, 1475545, 2443228, 2951090, 3054035, 5902180, 6108070, 12216140, 26264701, 52529402, 105058804, 131323505, 262647010, 525294020]

約数ペア:

[(1, 525294020), (2, 262647010), (4, 131323505), (5, 105058804), (10, 52529402), (20, 26264701), (43, 12216140), (86, 6108070), (89, 5902180), (172, 3054035), (178, 2951090), (215, 2443228), (356, 1475545), (430, 1221614), (445, 1180436), (860, 610807), (890, 590218), (1780, 295109), (3827, 137260), (6863, 76540), (7654, 68630), (13726, 38270), (15308, 34315), (19135, 27452)]