207781640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12763}}^1$

素因数の和:12822

約数の個数: 64

約数和(自身を含む): 523834560

約数和(自身を除く): 316052920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 12763, 16280, 25526, 51052, 63815, 102104, 127630, 140393, 255260, 280786, 472231, 510520, 561572, 701965, 944462, 1123144, 1403930, 1888924, 2361155, 2807860, 3777848, 4722310, 5194541, 5615720, 9444620, 10389082, 18889240, 20778164, 25972705, 41556328, 51945410, 103890820, 207781640]

約数ペア:

[(1, 207781640), (2, 103890820), (4, 51945410), (5, 41556328), (8, 25972705), (10, 20778164), (11, 18889240), (20, 10389082), (22, 9444620), (37, 5615720), (40, 5194541), (44, 4722310), (55, 3777848), (74, 2807860), (88, 2361155), (110, 1888924), (148, 1403930), (185, 1123144), (220, 944462), (296, 701965), (370, 561572), (407, 510520), (440, 472231), (740, 280786), (814, 255260), (1480, 140393), (1628, 127630), (2035, 102104), (3256, 63815), (4070, 51052), (8140, 25526), (12763, 16280)]