74804380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2063}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 187766208

約数和(自身を除く): 112961828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2063, 2590, 3626, 4126, 5180, 7252, 8252, 9065, 10315, 14441, 18130, 20630, 28882, 36260, 41260, 57764, 72205, 76331, 101087, 144410, 152662, 202174, 288820, 305324, 381655, 404348, 505435, 534317, 763310, 1010870, 1068634, 1526620, 2021740, 2137268, 2671585, 3740219, 5343170, 7480438, 10686340, 14960876, 18701095, 37402190, 74804380]

約数ペア:

[(1, 74804380), (2, 37402190), (4, 18701095), (5, 14960876), (7, 10686340), (10, 7480438), (14, 5343170), (20, 3740219), (28, 2671585), (35, 2137268), (37, 2021740), (49, 1526620), (70, 1068634), (74, 1010870), (98, 763310), (140, 534317), (148, 505435), (185, 404348), (196, 381655), (245, 305324), (259, 288820), (370, 202174), (490, 152662), (518, 144410), (740, 101087), (980, 76331), (1036, 72205), (1295, 57764), (1813, 41260), (2063, 36260), (2590, 28882), (3626, 20630), (4126, 18130), (5180, 14441), (7252, 10315), (8252, 9065)]