2018702405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 2709504000

約数和(自身を除く): 690801595

約数列:

[1, 5, 19, 47, 59, 79, 95, 97, 235, 295, 395, 485, 893, 1121, 1501, 1843, 2773, 3713, 4465, 4559, 4661, 5605, 5723, 7505, 7663, 9215, 13865, 18565, 22795, 23305, 28615, 38315, 52687, 70547, 86621, 88559, 108737, 145597, 219067, 263435, 268981, 352735, 360161, 433105, 442795, 452117, 543685, 727985, 1095335, 1344905, 1800805, 2260585, 4162273, 5110639, 6843059, 8590223, 20811365, 21249499, 25553195, 34215295, 42951115, 106247495, 403740481, 2018702405]

約数ペア:

[(1, 2018702405), (5, 403740481), (19, 106247495), (47, 42951115), (59, 34215295), (79, 25553195), (95, 21249499), (97, 20811365), (235, 8590223), (295, 6843059), (395, 5110639), (485, 4162273), (893, 2260585), (1121, 1800805), (1501, 1344905), (1843, 1095335), (2773, 727985), (3713, 543685), (4465, 452117), (4559, 442795), (4661, 433105), (5605, 360161), (5723, 352735), (7505, 268981), (7663, 263435), (9215, 219067), (13865, 145597), (18565, 108737), (22795, 88559), (23305, 86621), (28615, 70547), (38315, 52687)]