2012197090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3361}}^1$

素因数の和:3547

約数の個数: 64

約数和(自身を含む): 4008579840

約数和(自身を除く): 1996382750

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 137, 190, 230, 274, 437, 685, 874, 1370, 2185, 2603, 3151, 3361, 4370, 5206, 6302, 6722, 13015, 15755, 16805, 26030, 31510, 33610, 59869, 63859, 77303, 119738, 127718, 154606, 299345, 319295, 386515, 460457, 598690, 638590, 773030, 920914, 1468757, 2302285, 2937514, 4604570, 7343785, 8748683, 10590511, 14687570, 17497366, 21181022, 43743415, 52952555, 87486830, 105905110, 201219709, 402439418, 1006098545, 2012197090]

約数ペア:

[(1, 2012197090), (2, 1006098545), (5, 402439418), (10, 201219709), (19, 105905110), (23, 87486830), (38, 52952555), (46, 43743415), (95, 21181022), (115, 17497366), (137, 14687570), (190, 10590511), (230, 8748683), (274, 7343785), (437, 4604570), (685, 2937514), (874, 2302285), (1370, 1468757), (2185, 920914), (2603, 773030), (3151, 638590), (3361, 598690), (4370, 460457), (5206, 386515), (6302, 319295), (6722, 299345), (13015, 154606), (15755, 127718), (16805, 119738), (26030, 77303), (31510, 63859), (33610, 59869)]