135392020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 291211200

約数和(自身を除く): 155819180

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 179, 236, 295, 358, 590, 641, 716, 895, 1180, 1282, 1790, 2564, 3205, 3580, 6410, 10561, 12820, 21122, 37819, 42244, 52805, 75638, 105610, 114739, 151276, 189095, 211220, 229478, 378190, 458956, 573695, 756380, 1147390, 2294780, 6769601, 13539202, 27078404, 33848005, 67696010, 135392020]

約数ペア:

[(1, 135392020), (2, 67696010), (4, 33848005), (5, 27078404), (10, 13539202), (20, 6769601), (59, 2294780), (118, 1147390), (179, 756380), (236, 573695), (295, 458956), (358, 378190), (590, 229478), (641, 211220), (716, 189095), (895, 151276), (1180, 114739), (1282, 105610), (1790, 75638), (2564, 52805), (3205, 42244), (3580, 37819), (6410, 21122), (10561, 12820)]