664921150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{11863}}^1$

素因数の和:11953

約数の個数: 48

約数和(自身を含む): 1324022400

約数和(自身を除く): 659101250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 190, 295, 475, 590, 950, 1121, 1475, 2242, 2950, 5605, 11210, 11863, 23726, 28025, 56050, 59315, 118630, 225397, 296575, 450794, 593150, 699917, 1126985, 1399834, 2253970, 3499585, 5634925, 6999170, 11269850, 13298423, 17497925, 26596846, 34995850, 66492115, 132984230, 332460575, 664921150]

約数ペア:

[(1, 664921150), (2, 332460575), (5, 132984230), (10, 66492115), (19, 34995850), (25, 26596846), (38, 17497925), (50, 13298423), (59, 11269850), (95, 6999170), (118, 5634925), (190, 3499585), (295, 2253970), (475, 1399834), (590, 1126985), (950, 699917), (1121, 593150), (1475, 450794), (2242, 296575), (2950, 225397), (5605, 118630), (11210, 59315), (11863, 56050), (23726, 28025)]