231434440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4289}}^1$

素因数の和:4390

約数の個数: 64

約数和(自身を含む): 555984000

約数和(自身を除く): 324549560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 4289, 5396, 6745, 8578, 10792, 13490, 17156, 21445, 26980, 34312, 42890, 53960, 81491, 85780, 162982, 171560, 304519, 325964, 407455, 609038, 651928, 814910, 1218076, 1522595, 1629820, 2436152, 3045190, 3259640, 5785861, 6090380, 11571722, 12180760, 23143444, 28929305, 46286888, 57858610, 115717220, 231434440]

約数ペア:

[(1, 231434440), (2, 115717220), (4, 57858610), (5, 46286888), (8, 28929305), (10, 23143444), (19, 12180760), (20, 11571722), (38, 6090380), (40, 5785861), (71, 3259640), (76, 3045190), (95, 2436152), (142, 1629820), (152, 1522595), (190, 1218076), (284, 814910), (355, 651928), (380, 609038), (568, 407455), (710, 325964), (760, 304519), (1349, 171560), (1420, 162982), (2698, 85780), (2840, 81491), (4289, 53960), (5396, 42890), (6745, 34312), (8578, 26980), (10792, 21445), (13490, 17156)]