74287780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17117}}^1$

素因数の和:17164

約数の個数: 48

約数和(自身を含む): 184052736

約数和(自身を除く): 109764956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 17117, 34234, 68468, 85585, 119819, 171170, 239638, 342340, 479276, 530627, 599095, 1061254, 1198190, 2122508, 2396380, 2653135, 3714389, 5306270, 7428778, 10612540, 14857556, 18571945, 37143890, 74287780]

約数ペア:

[(1, 74287780), (2, 37143890), (4, 18571945), (5, 14857556), (7, 10612540), (10, 7428778), (14, 5306270), (20, 3714389), (28, 2653135), (31, 2396380), (35, 2122508), (62, 1198190), (70, 1061254), (124, 599095), (140, 530627), (155, 479276), (217, 342340), (310, 239638), (434, 171170), (620, 119819), (868, 85585), (1085, 68468), (2170, 34234), (4340, 17117)]