68784380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28901}}^1$

素因数の和:28934

約数の個数: 48

約数和(自身を含む): 174799296

約数和(自身を除く): 106014916

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 28901, 57802, 115604, 144505, 202307, 289010, 404614, 491317, 578020, 809228, 982634, 1011535, 1965268, 2023070, 2456585, 3439219, 4046140, 4913170, 6878438, 9826340, 13756876, 17196095, 34392190, 68784380]

約数ペア:

[(1, 68784380), (2, 34392190), (4, 17196095), (5, 13756876), (7, 9826340), (10, 6878438), (14, 4913170), (17, 4046140), (20, 3439219), (28, 2456585), (34, 2023070), (35, 1965268), (68, 1011535), (70, 982634), (85, 809228), (119, 578020), (140, 491317), (170, 404614), (238, 289010), (340, 202307), (476, 144505), (595, 115604), (1190, 57802), (2380, 28901)]