2012412820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1301}}^1$

素因数の和:1489

約数の個数: 96

約数和(自身を含む): 4724697600

約数和(自身を除く): 2712284780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 89, 110, 158, 178, 220, 316, 356, 395, 445, 790, 869, 890, 979, 1301, 1580, 1738, 1780, 1958, 2602, 3476, 3916, 4345, 4895, 5204, 6505, 7031, 8690, 9790, 13010, 14062, 14311, 17380, 19580, 26020, 28124, 28622, 35155, 57244, 70310, 71555, 77341, 102779, 115789, 140620, 143110, 154682, 205558, 231578, 286220, 309364, 386705, 411116, 463156, 513895, 578945, 773410, 1027790, 1130569, 1157890, 1273679, 1546820, 2055580, 2261138, 2315780, 2547358, 4522276, 5094716, 5652845, 6368395, 9147331, 11305690, 12736790, 18294662, 22611380, 25473580, 36589324, 45736655, 91473310, 100620641, 182946620, 201241282, 402482564, 503103205, 1006206410, 2012412820]

約数ペア:

[(1, 2012412820), (2, 1006206410), (4, 503103205), (5, 402482564), (10, 201241282), (11, 182946620), (20, 100620641), (22, 91473310), (44, 45736655), (55, 36589324), (79, 25473580), (89, 22611380), (110, 18294662), (158, 12736790), (178, 11305690), (220, 9147331), (316, 6368395), (356, 5652845), (395, 5094716), (445, 4522276), (790, 2547358), (869, 2315780), (890, 2261138), (979, 2055580), (1301, 1546820), (1580, 1273679), (1738, 1157890), (1780, 1130569), (1958, 1027790), (2602, 773410), (3476, 578945), (3916, 513895), (4345, 463156), (4895, 411116), (5204, 386705), (6505, 309364), (7031, 286220), (8690, 231578), (9790, 205558), (13010, 154682), (14062, 143110), (14311, 140620), (17380, 115789), (19580, 102779), (26020, 77341), (28124, 71555), (28622, 70310), (35155, 57244)]