72672220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 156246048

約数和(自身を除く): 83573828

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 193, 268, 281, 335, 386, 562, 670, 772, 965, 1124, 1340, 1405, 1930, 2810, 3860, 5620, 12931, 18827, 25862, 37654, 51724, 54233, 64655, 75308, 94135, 108466, 129310, 188270, 216932, 258620, 271165, 376540, 542330, 1084660, 3633611, 7267222, 14534444, 18168055, 36336110, 72672220]

約数ペア:

[(1, 72672220), (2, 36336110), (4, 18168055), (5, 14534444), (10, 7267222), (20, 3633611), (67, 1084660), (134, 542330), (193, 376540), (268, 271165), (281, 258620), (335, 216932), (386, 188270), (562, 129310), (670, 108466), (772, 94135), (965, 75308), (1124, 64655), (1340, 54233), (1405, 51724), (1930, 37654), (2810, 25862), (3860, 18827), (5620, 12931)]