51168700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 122273424

約数和(自身を除く): 71104724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 181, 220, 257, 275, 362, 514, 550, 724, 905, 1028, 1100, 1285, 1810, 1991, 2570, 2827, 3620, 3982, 4525, 5140, 5654, 6425, 7964, 9050, 9955, 11308, 12850, 14135, 18100, 19910, 25700, 28270, 39820, 46517, 49775, 56540, 70675, 93034, 99550, 141350, 186068, 199100, 232585, 282700, 465170, 511687, 930340, 1023374, 1162925, 2046748, 2325850, 2558435, 4651700, 5116870, 10233740, 12792175, 25584350, 51168700]

約数ペア:

[(1, 51168700), (2, 25584350), (4, 12792175), (5, 10233740), (10, 5116870), (11, 4651700), (20, 2558435), (22, 2325850), (25, 2046748), (44, 1162925), (50, 1023374), (55, 930340), (100, 511687), (110, 465170), (181, 282700), (220, 232585), (257, 199100), (275, 186068), (362, 141350), (514, 99550), (550, 93034), (724, 70675), (905, 56540), (1028, 49775), (1100, 46517), (1285, 39820), (1810, 28270), (1991, 25700), (2570, 19910), (2827, 18100), (3620, 14135), (3982, 12850), (4525, 11308), (5140, 9955), (5654, 9050), (6425, 7964)]