270810040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1021}}^1$

素因数の和:1400

約数の個数: 64

約数和(自身を含む): 643860000

約数和(自身を除く): 373049960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 349, 380, 698, 760, 1021, 1396, 1745, 2042, 2792, 3490, 4084, 5105, 6631, 6980, 8168, 10210, 13262, 13960, 19399, 20420, 26524, 33155, 38798, 40840, 53048, 66310, 77596, 96995, 132620, 155192, 193990, 265240, 356329, 387980, 712658, 775960, 1425316, 1781645, 2850632, 3563290, 6770251, 7126580, 13540502, 14253160, 27081004, 33851255, 54162008, 67702510, 135405020, 270810040]

約数ペア:

[(1, 270810040), (2, 135405020), (4, 67702510), (5, 54162008), (8, 33851255), (10, 27081004), (19, 14253160), (20, 13540502), (38, 7126580), (40, 6770251), (76, 3563290), (95, 2850632), (152, 1781645), (190, 1425316), (349, 775960), (380, 712658), (698, 387980), (760, 356329), (1021, 265240), (1396, 193990), (1745, 155192), (2042, 132620), (2792, 96995), (3490, 77596), (4084, 66310), (5105, 53048), (6631, 40840), (6980, 38798), (8168, 33155), (10210, 26524), (13262, 20420), (13960, 19399)]