1384138840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{159463}}^1$

素因数の和:159512

約数の個数: 64

約数和(自身を含む): 3674050560

約数和(自身を除く): 2289911720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 159463, 318926, 637852, 797315, 1116241, 1275704, 1594630, 2232482, 3189260, 4464964, 4943353, 5581205, 6378520, 8929928, 9886706, 11162410, 19773412, 22324820, 24716765, 34603471, 39546824, 44649640, 49433530, 69206942, 98867060, 138413884, 173017355, 197734120, 276827768, 346034710, 692069420, 1384138840]

約数ペア:

[(1, 1384138840), (2, 692069420), (4, 346034710), (5, 276827768), (7, 197734120), (8, 173017355), (10, 138413884), (14, 98867060), (20, 69206942), (28, 49433530), (31, 44649640), (35, 39546824), (40, 34603471), (56, 24716765), (62, 22324820), (70, 19773412), (124, 11162410), (140, 9886706), (155, 8929928), (217, 6378520), (248, 5581205), (280, 4943353), (310, 4464964), (434, 3189260), (620, 2232482), (868, 1594630), (1085, 1275704), (1240, 1116241), (1736, 797315), (2170, 637852), (4340, 318926), (8680, 159463)]