78698620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3931}}^1$

素因数の和:3971

約数の個数: 96

約数和(自身を含む): 221953536

約数和(自身を除く): 143254916

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 3931, 4004, 5005, 7862, 10010, 15724, 19655, 20020, 27517, 39310, 43241, 51103, 55034, 78620, 86482, 102206, 110068, 137585, 172964, 204412, 216205, 255515, 275170, 302687, 357721, 432410, 511030, 550340, 562133, 605374, 715442, 864820, 1022060, 1124266, 1210748, 1430884, 1513435, 1788605, 2248532, 2810665, 3026870, 3577210, 3934931, 5621330, 6053740, 7154420, 7869862, 11242660, 15739724, 19674655, 39349310, 78698620]

約数ペア:

[(1, 78698620), (2, 39349310), (4, 19674655), (5, 15739724), (7, 11242660), (10, 7869862), (11, 7154420), (13, 6053740), (14, 5621330), (20, 3934931), (22, 3577210), (26, 3026870), (28, 2810665), (35, 2248532), (44, 1788605), (52, 1513435), (55, 1430884), (65, 1210748), (70, 1124266), (77, 1022060), (91, 864820), (110, 715442), (130, 605374), (140, 562133), (143, 550340), (154, 511030), (182, 432410), (220, 357721), (260, 302687), (286, 275170), (308, 255515), (364, 216205), (385, 204412), (455, 172964), (572, 137585), (715, 110068), (770, 102206), (910, 86482), (1001, 78620), (1430, 55034), (1540, 51103), (1820, 43241), (2002, 39310), (2860, 27517), (3931, 20020), (4004, 19655), (5005, 15724), (7862, 10010)]