1837906960

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{881}}^1$

素因数の和:1276

約数の個数: 80

約数和(自身を含む): 4340815920

約数和(自身を除く): 2502908960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 293, 356, 445, 586, 712, 881, 890, 1172, 1424, 1465, 1762, 1780, 2344, 2930, 3524, 3560, 4405, 4688, 5860, 7048, 7120, 8810, 11720, 14096, 17620, 23440, 26077, 35240, 52154, 70480, 78409, 104308, 130385, 156818, 208616, 258133, 260770, 313636, 392045, 417232, 516266, 521540, 627272, 784090, 1032532, 1043080, 1254544, 1290665, 1568180, 2065064, 2086160, 2581330, 3136360, 4130128, 5162660, 6272720, 10325320, 20650640, 22973837, 45947674, 91895348, 114869185, 183790696, 229738370, 367581392, 459476740, 918953480, 1837906960]

約数ペア:

[(1, 1837906960), (2, 918953480), (4, 459476740), (5, 367581392), (8, 229738370), (10, 183790696), (16, 114869185), (20, 91895348), (40, 45947674), (80, 22973837), (89, 20650640), (178, 10325320), (293, 6272720), (356, 5162660), (445, 4130128), (586, 3136360), (712, 2581330), (881, 2086160), (890, 2065064), (1172, 1568180), (1424, 1290665), (1465, 1254544), (1762, 1043080), (1780, 1032532), (2344, 784090), (2930, 627272), (3524, 521540), (3560, 516266), (4405, 417232), (4688, 392045), (5860, 313636), (7048, 260770), (7120, 258133), (8810, 208616), (11720, 156818), (14096, 130385), (17620, 104308), (23440, 78409), (26077, 70480), (35240, 52154)]