290420585

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 443275776

約数和(自身を除く): 152855191

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 169, 185, 259, 455, 481, 845, 1183, 1295, 1327, 2405, 3367, 5915, 6253, 6635, 9289, 16835, 17251, 31265, 43771, 46445, 49099, 86255, 120757, 218855, 224263, 245495, 343693, 603785, 638287, 1121315, 1569841, 1718465, 3191435, 4468009, 7849205, 8297731, 22340045, 41488655, 58084117, 290420585]

約数ペア:

[(1, 290420585), (5, 58084117), (7, 41488655), (13, 22340045), (35, 8297731), (37, 7849205), (65, 4468009), (91, 3191435), (169, 1718465), (185, 1569841), (259, 1121315), (455, 638287), (481, 603785), (845, 343693), (1183, 245495), (1295, 224263), (1327, 218855), (2405, 120757), (3367, 86255), (5915, 49099), (6253, 46445), (6635, 43771), (9289, 31265), (16835, 17251)]