388581730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:811

約数の個数: 64

約数和(自身を含む): 769824000

約数和(自身を除く): 381242270

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 109, 145, 190, 218, 290, 545, 551, 647, 1090, 1102, 1294, 2071, 2755, 3161, 3235, 4142, 5510, 6322, 6470, 10355, 12293, 15805, 18763, 20710, 24586, 31610, 37526, 60059, 61465, 70523, 93815, 120118, 122930, 141046, 187630, 300295, 352615, 356497, 600590, 705230, 712994, 1339937, 1782485, 2045167, 2679874, 3564970, 4090334, 6699685, 10225835, 13399370, 20451670, 38858173, 77716346, 194290865, 388581730]

約数ペア:

[(1, 388581730), (2, 194290865), (5, 77716346), (10, 38858173), (19, 20451670), (29, 13399370), (38, 10225835), (58, 6699685), (95, 4090334), (109, 3564970), (145, 2679874), (190, 2045167), (218, 1782485), (290, 1339937), (545, 712994), (551, 705230), (647, 600590), (1090, 356497), (1102, 352615), (1294, 300295), (2071, 187630), (2755, 141046), (3161, 122930), (3235, 120118), (4142, 93815), (5510, 70523), (6322, 61465), (6470, 60059), (10355, 37526), (12293, 31610), (15805, 24586), (18763, 20710)]