2008291460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:826

約数の個数: 144

約数和(自身を含む): 5164145280

約数和(自身を除く): 3155853820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 139, 140, 161, 196, 230, 245, 278, 322, 460, 490, 556, 641, 644, 695, 805, 973, 980, 1127, 1282, 1390, 1610, 1946, 2254, 2564, 2780, 3197, 3205, 3220, 3892, 4487, 4508, 4865, 5635, 6394, 6410, 6811, 8974, 9730, 11270, 12788, 12820, 13622, 14743, 15985, 17948, 19460, 22379, 22435, 22540, 27244, 29486, 31409, 31970, 34055, 44758, 44870, 58972, 62818, 63940, 68110, 73715, 89099, 89516, 89740, 103201, 111895, 125636, 136220, 147430, 156653, 157045, 178198, 206402, 223790, 294860, 313306, 314090, 356396, 412804, 445495, 447580, 516005, 623693, 626612, 628180, 722407, 783265, 890990, 1032010, 1247386, 1444814, 1566530, 1781980, 2049277, 2064020, 2494772, 2889628, 3118465, 3133060, 3612035, 4098554, 4365851, 6236930, 7224070, 8197108, 8731702, 10246385, 12473860, 14344939, 14448140, 17463404, 20492770, 21829255, 28689878, 40985540, 43658510, 57379756, 71724695, 87317020, 100414573, 143449390, 200829146, 286898780, 401658292, 502072865, 1004145730, 2008291460]

約数ペア:

[(1, 2008291460), (2, 1004145730), (4, 502072865), (5, 401658292), (7, 286898780), (10, 200829146), (14, 143449390), (20, 100414573), (23, 87317020), (28, 71724695), (35, 57379756), (46, 43658510), (49, 40985540), (70, 28689878), (92, 21829255), (98, 20492770), (115, 17463404), (139, 14448140), (140, 14344939), (161, 12473860), (196, 10246385), (230, 8731702), (245, 8197108), (278, 7224070), (322, 6236930), (460, 4365851), (490, 4098554), (556, 3612035), (641, 3133060), (644, 3118465), (695, 2889628), (805, 2494772), (973, 2064020), (980, 2049277), (1127, 1781980), (1282, 1566530), (1390, 1444814), (1610, 1247386), (1946, 1032010), (2254, 890990), (2564, 783265), (2780, 722407), (3197, 628180), (3205, 626612), (3220, 623693), (3892, 516005), (4487, 447580), (4508, 445495), (4865, 412804), (5635, 356396), (6394, 314090), (6410, 313306), (6811, 294860), (8974, 223790), (9730, 206402), (11270, 178198), (12788, 157045), (12820, 156653), (13622, 147430), (14743, 136220), (15985, 125636), (17948, 111895), (19460, 103201), (22379, 89740), (22435, 89516), (22540, 89099), (27244, 73715), (29486, 68110), (31409, 63940), (31970, 62818), (34055, 58972), (44758, 44870)]