13903580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 30209760

約数和(自身を除く): 16306180

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 107, 146, 178, 214, 292, 356, 365, 428, 445, 535, 730, 890, 1070, 1460, 1780, 2140, 6497, 7811, 9523, 12994, 15622, 19046, 25988, 31244, 32485, 38092, 39055, 47615, 64970, 78110, 95230, 129940, 156220, 190460, 695179, 1390358, 2780716, 3475895, 6951790, 13903580]

約数ペア:

[(1, 13903580), (2, 6951790), (4, 3475895), (5, 2780716), (10, 1390358), (20, 695179), (73, 190460), (89, 156220), (107, 129940), (146, 95230), (178, 78110), (214, 64970), (292, 47615), (356, 39055), (365, 38092), (428, 32485), (445, 31244), (535, 25988), (730, 19046), (890, 15622), (1070, 12994), (1460, 9523), (1780, 7811), (2140, 6497)]