3940940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 8944992

約数和(自身を除く): 5004052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 173, 268, 335, 340, 346, 670, 692, 865, 1139, 1340, 1730, 2278, 2941, 3460, 4556, 5695, 5882, 11390, 11591, 11764, 14705, 22780, 23182, 29410, 46364, 57955, 58820, 115910, 197047, 231820, 394094, 788188, 985235, 1970470, 3940940]

約数ペア:

[(1, 3940940), (2, 1970470), (4, 985235), (5, 788188), (10, 394094), (17, 231820), (20, 197047), (34, 115910), (67, 58820), (68, 57955), (85, 46364), (134, 29410), (170, 23182), (173, 22780), (268, 14705), (335, 11764), (340, 11591), (346, 11390), (670, 5882), (692, 5695), (865, 4556), (1139, 3460), (1340, 2941), (1730, 2278)]