311947730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{14173}}^1$

素因数の和:14282

約数の個数: 32

約数和(自身を含む): 587824128

約数和(自身を除く): 275876398

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 4402, 11005, 14173, 22010, 28346, 70865, 141730, 439363, 878726, 1006283, 2012566, 2196815, 4393630, 5031415, 10062830, 31194773, 62389546, 155973865, 311947730]

約数ペア:

[(1, 311947730), (2, 155973865), (5, 62389546), (10, 31194773), (31, 10062830), (62, 5031415), (71, 4393630), (142, 2196815), (155, 2012566), (310, 1006283), (355, 878726), (710, 439363), (2201, 141730), (4402, 70865), (11005, 28346), (14173, 22010)]