12700300

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1530

約数の個数: 36

約数和(自身を含む): 27888840

約数和(自身を除く): 15188540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1427, 1780, 2225, 2854, 4450, 5708, 7135, 8900, 14270, 28540, 35675, 71350, 127003, 142700, 254006, 508012, 635015, 1270030, 2540060, 3175075, 6350150, 12700300]

約数ペア:

[(1, 12700300), (2, 6350150), (4, 3175075), (5, 2540060), (10, 1270030), (20, 635015), (25, 508012), (50, 254006), (89, 142700), (100, 127003), (178, 71350), (356, 35675), (445, 28540), (890, 14270), (1427, 8900), (1780, 7135), (2225, 5708), (2854, 4450)]