7214480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 20665344

約数和(自身を除く): 13450864

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 991, 1040, 1456, 1820, 1982, 3640, 3964, 4955, 6937, 7280, 7928, 9910, 12883, 13874, 15856, 19820, 25766, 27748, 34685, 39640, 51532, 55496, 64415, 69370, 79280, 90181, 103064, 110992, 128830, 138740, 180362, 206128, 257660, 277480, 360724, 450905, 515320, 554960, 721448, 901810, 1030640, 1442896, 1803620, 3607240, 7214480]

約数ペア:

[(1, 7214480), (2, 3607240), (4, 1803620), (5, 1442896), (7, 1030640), (8, 901810), (10, 721448), (13, 554960), (14, 515320), (16, 450905), (20, 360724), (26, 277480), (28, 257660), (35, 206128), (40, 180362), (52, 138740), (56, 128830), (65, 110992), (70, 103064), (80, 90181), (91, 79280), (104, 69370), (112, 64415), (130, 55496), (140, 51532), (182, 39640), (208, 34685), (260, 27748), (280, 25766), (364, 19820), (455, 15856), (520, 13874), (560, 12883), (728, 9910), (910, 7928), (991, 7280), (1040, 6937), (1456, 4955), (1820, 3964), (1982, 3640)]