2005697740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 4580561664

約数和(自身を除く): 2574863924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 313, 340, 401, 470, 626, 799, 802, 940, 1252, 1565, 1598, 1604, 2005, 3130, 3196, 3995, 4010, 5321, 6260, 6817, 7990, 8020, 10642, 13634, 14711, 15980, 18847, 21284, 26605, 27268, 29422, 34085, 37694, 53210, 58844, 68170, 73555, 75388, 94235, 106420, 125513, 136340, 147110, 188470, 250087, 251026, 294220, 320399, 376940, 500174, 502052, 627565, 640798, 1000348, 1250435, 1255130, 1281596, 1601995, 2133721, 2500870, 2510260, 3203990, 4267442, 5001740, 5899111, 6407980, 8534884, 10668605, 11798222, 21337210, 23596444, 29495555, 42674420, 58991110, 100284887, 117982220, 200569774, 401139548, 501424435, 1002848870, 2005697740]

約数ペア:

[(1, 2005697740), (2, 1002848870), (4, 501424435), (5, 401139548), (10, 200569774), (17, 117982220), (20, 100284887), (34, 58991110), (47, 42674420), (68, 29495555), (85, 23596444), (94, 21337210), (170, 11798222), (188, 10668605), (235, 8534884), (313, 6407980), (340, 5899111), (401, 5001740), (470, 4267442), (626, 3203990), (799, 2510260), (802, 2500870), (940, 2133721), (1252, 1601995), (1565, 1281596), (1598, 1255130), (1604, 1250435), (2005, 1000348), (3130, 640798), (3196, 627565), (3995, 502052), (4010, 500174), (5321, 376940), (6260, 320399), (6817, 294220), (7990, 251026), (8020, 250087), (10642, 188470), (13634, 147110), (14711, 136340), (15980, 125513), (18847, 106420), (21284, 94235), (26605, 75388), (27268, 73555), (29422, 68170), (34085, 58844), (37694, 53210)]