390406458820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{4270471}}^1$

素因数の和:4271140

約数の個数: 48

約数和(自身を含む): 938410599168

約数和(自身を除く): 548004140348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 653, 1306, 2612, 3265, 4571, 6530, 9142, 13060, 18284, 22855, 45710, 91420, 4270471, 8540942, 17081884, 21352355, 29893297, 42704710, 59786594, 85409420, 119573188, 149466485, 298932970, 597865940, 2788617563, 5577235126, 11154470252, 13943087815, 19520322941, 27886175630, 39040645882, 55772351260, 78081291764, 97601614705, 195203229410, 390406458820]

約数ペア:

[(1, 390406458820), (2, 195203229410), (4, 97601614705), (5, 78081291764), (7, 55772351260), (10, 39040645882), (14, 27886175630), (20, 19520322941), (28, 13943087815), (35, 11154470252), (70, 5577235126), (140, 2788617563), (653, 597865940), (1306, 298932970), (2612, 149466485), (3265, 119573188), (4571, 85409420), (6530, 59786594), (9142, 42704710), (13060, 29893297), (18284, 21352355), (22855, 17081884), (45710, 8540942), (91420, 4270471)]