3747940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 9475200

約数和(自身を除く): 5727260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1409, 2660, 2818, 5636, 7045, 9863, 14090, 19726, 26771, 28180, 39452, 49315, 53542, 98630, 107084, 133855, 187397, 197260, 267710, 374794, 535420, 749588, 936985, 1873970, 3747940]

約数ペア:

[(1, 3747940), (2, 1873970), (4, 936985), (5, 749588), (7, 535420), (10, 374794), (14, 267710), (19, 197260), (20, 187397), (28, 133855), (35, 107084), (38, 98630), (70, 53542), (76, 49315), (95, 39452), (133, 28180), (140, 26771), (190, 19726), (266, 14090), (380, 9863), (532, 7045), (665, 5636), (1330, 2818), (1409, 2660)]