289121120

素因数分解:

$2^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5119}}^1$

素因数の和:5487

約数の個数: 48

約数和(自身を含む): 685117440

約数和(自身を除く): 395996320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 353, 706, 1412, 1765, 2824, 3530, 5119, 5648, 7060, 10238, 11296, 14120, 20476, 25595, 28240, 40952, 51190, 56480, 81904, 102380, 163808, 204760, 409520, 819040, 1807007, 3614014, 7228028, 9035035, 14456056, 18070070, 28912112, 36140140, 57824224, 72280280, 144560560, 289121120]

約数ペア:

[(1, 289121120), (2, 144560560), (4, 72280280), (5, 57824224), (8, 36140140), (10, 28912112), (16, 18070070), (20, 14456056), (32, 9035035), (40, 7228028), (80, 3614014), (160, 1807007), (353, 819040), (706, 409520), (1412, 204760), (1765, 163808), (2824, 102380), (3530, 81904), (5119, 56480), (5648, 51190), (7060, 40952), (10238, 28240), (11296, 25595), (14120, 20476)]