311144350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1999}}^1$

素因数の和:2305

約数の個数: 48

約数和(自身を含む): 633888000

約数和(自身を除く): 322743650

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 283, 550, 566, 1415, 1999, 2830, 3113, 3998, 6226, 7075, 9995, 14150, 15565, 19990, 21989, 31130, 43978, 49975, 77825, 99950, 109945, 155650, 219890, 549725, 565717, 1099450, 1131434, 2828585, 5657170, 6222887, 12445774, 14142925, 28285850, 31114435, 62228870, 155572175, 311144350]

約数ペア:

[(1, 311144350), (2, 155572175), (5, 62228870), (10, 31114435), (11, 28285850), (22, 14142925), (25, 12445774), (50, 6222887), (55, 5657170), (110, 2828585), (275, 1131434), (283, 1099450), (550, 565717), (566, 549725), (1415, 219890), (1999, 155650), (2830, 109945), (3113, 99950), (3998, 77825), (6226, 49975), (7075, 43978), (9995, 31130), (14150, 21989), (15565, 19990)]