47388940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 102211200

約数和(自身を除く): 54822260

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 158, 178, 316, 337, 356, 395, 445, 674, 790, 890, 1348, 1580, 1685, 1780, 3370, 6740, 7031, 14062, 26623, 28124, 29993, 35155, 53246, 59986, 70310, 106492, 119972, 133115, 140620, 149965, 266230, 299930, 532460, 599860, 2369447, 4738894, 9477788, 11847235, 23694470, 47388940]

約数ペア:

[(1, 47388940), (2, 23694470), (4, 11847235), (5, 9477788), (10, 4738894), (20, 2369447), (79, 599860), (89, 532460), (158, 299930), (178, 266230), (316, 149965), (337, 140620), (356, 133115), (395, 119972), (445, 106492), (674, 70310), (790, 59986), (890, 53246), (1348, 35155), (1580, 29993), (1685, 28124), (1780, 26623), (3370, 14062), (6740, 7031)]