204127140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{69431}}^1$

素因数の和:69457

約数の個数: 72

約数和(自身を含む): 664880832

約数和(自身を除く): 460753692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 69431, 138862, 208293, 277724, 347155, 416586, 486017, 694310, 833172, 972034, 1041465, 1388620, 1458051, 1944068, 2082930, 2430085, 2916102, 3402119, 4165860, 4860170, 5832204, 6804238, 7290255, 9720340, 10206357, 13608476, 14580510, 17010595, 20412714, 29161020, 34021190, 40825428, 51031785, 68042380, 102063570, 204127140]

約数ペア:

[(1, 204127140), (2, 102063570), (3, 68042380), (4, 51031785), (5, 40825428), (6, 34021190), (7, 29161020), (10, 20412714), (12, 17010595), (14, 14580510), (15, 13608476), (20, 10206357), (21, 9720340), (28, 7290255), (30, 6804238), (35, 5832204), (42, 4860170), (49, 4165860), (60, 3402119), (70, 2916102), (84, 2430085), (98, 2082930), (105, 1944068), (140, 1458051), (147, 1388620), (196, 1041465), (210, 972034), (245, 833172), (294, 694310), (420, 486017), (490, 416586), (588, 347155), (735, 277724), (980, 208293), (1470, 138862), (2940, 69431)]