408180136

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 979776000

約数和(自身を除く): 571595864

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 71, 91, 104, 106, 142, 149, 182, 212, 284, 298, 364, 371, 424, 497, 568, 596, 689, 728, 742, 923, 994, 1043, 1192, 1378, 1484, 1846, 1937, 1988, 2086, 2756, 2968, 3692, 3763, 3874, 3976, 4172, 4823, 5512, 6461, 7384, 7526, 7748, 7897, 8344, 9646, 10579, 12922, 13559, 15052, 15496, 15794, 19292, 21158, 25844, 26341, 27118, 30104, 31588, 38584, 42316, 48919, 51688, 52682, 54236, 55279, 63176, 74053, 84632, 97838, 102661, 105364, 108472, 110558, 137527, 148106, 195676, 205322, 210728, 221116, 275054, 296212, 342433, 391352, 410644, 442232, 550108, 560687, 592424, 684866, 718627, 821288, 962689, 1100216, 1121374, 1369732, 1437254, 1925378, 2242748, 2739464, 2874508, 3850756, 3924809, 4485496, 5749016, 7288931, 7701512, 7849618, 14577862, 15699236, 29155724, 31398472, 51022517, 58311448, 102045034, 204090068, 408180136]

約数ペア:

[(1, 408180136), (2, 204090068), (4, 102045034), (7, 58311448), (8, 51022517), (13, 31398472), (14, 29155724), (26, 15699236), (28, 14577862), (52, 7849618), (53, 7701512), (56, 7288931), (71, 5749016), (91, 4485496), (104, 3924809), (106, 3850756), (142, 2874508), (149, 2739464), (182, 2242748), (212, 1925378), (284, 1437254), (298, 1369732), (364, 1121374), (371, 1100216), (424, 962689), (497, 821288), (568, 718627), (596, 684866), (689, 592424), (728, 560687), (742, 550108), (923, 442232), (994, 410644), (1043, 391352), (1192, 342433), (1378, 296212), (1484, 275054), (1846, 221116), (1937, 210728), (1988, 205322), (2086, 195676), (2756, 148106), (2968, 137527), (3692, 110558), (3763, 108472), (3874, 105364), (3976, 102661), (4172, 97838), (4823, 84632), (5512, 74053), (6461, 63176), (7384, 55279), (7526, 54236), (7748, 52682), (7897, 51688), (8344, 48919), (9646, 42316), (10579, 38584), (12922, 31588), (13559, 30104), (15052, 27118), (15496, 26341), (15794, 25844), (19292, 21158)]