12219700

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1373}}^1$

素因数の和:1476

約数の個数: 36

約数和(自身を含む): 26834220

約数和(自身を除く): 14614520

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1373, 1780, 2225, 2746, 4450, 5492, 6865, 8900, 13730, 27460, 34325, 68650, 122197, 137300, 244394, 488788, 610985, 1221970, 2443940, 3054925, 6109850, 12219700]

約数ペア:

[(1, 12219700), (2, 6109850), (4, 3054925), (5, 2443940), (10, 1221970), (20, 610985), (25, 488788), (50, 244394), (89, 137300), (100, 122197), (178, 68650), (356, 34325), (445, 27460), (890, 13730), (1373, 8900), (1780, 6865), (2225, 5492), (2746, 4450)]