77784520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10399}}^1$

素因数の和:10438

約数の個数: 64

約数和(自身を含む): 202176000

約数和(自身を除く): 124391480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 10399, 20798, 41596, 51995, 83192, 103990, 114389, 176783, 207980, 228778, 353566, 415960, 457556, 571945, 707132, 883915, 915112, 1143890, 1414264, 1767830, 1944613, 2287780, 3535660, 3889226, 4575560, 7071320, 7778452, 9723065, 15556904, 19446130, 38892260, 77784520]

約数ペア:

[(1, 77784520), (2, 38892260), (4, 19446130), (5, 15556904), (8, 9723065), (10, 7778452), (11, 7071320), (17, 4575560), (20, 3889226), (22, 3535660), (34, 2287780), (40, 1944613), (44, 1767830), (55, 1414264), (68, 1143890), (85, 915112), (88, 883915), (110, 707132), (136, 571945), (170, 457556), (187, 415960), (220, 353566), (340, 228778), (374, 207980), (440, 176783), (680, 114389), (748, 103990), (935, 83192), (1496, 51995), (1870, 41596), (3740, 20798), (7480, 10399)]