290386040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:781

約数の個数: 128

約数和(自身を含む): 791976960

約数和(自身を除く): 501590920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 67, 70, 92, 115, 134, 140, 161, 184, 230, 268, 280, 322, 335, 460, 469, 536, 644, 670, 673, 805, 920, 938, 1288, 1340, 1346, 1541, 1610, 1876, 2345, 2680, 2692, 3082, 3220, 3365, 3752, 4690, 4711, 5384, 6164, 6440, 6730, 7705, 9380, 9422, 10787, 12328, 13460, 15410, 15479, 18760, 18844, 21574, 23555, 26920, 30820, 30958, 37688, 43148, 45091, 47110, 53935, 61640, 61916, 77395, 86296, 90182, 94220, 107870, 108353, 123832, 154790, 180364, 188440, 215740, 216706, 225455, 309580, 315637, 360728, 431480, 433412, 450910, 541765, 619160, 631274, 866824, 901820, 1037093, 1083530, 1262548, 1578185, 1803640, 2074186, 2167060, 2525096, 3156370, 4148372, 4334120, 5185465, 6312740, 7259651, 8296744, 10370930, 12625480, 14519302, 20741860, 29038604, 36298255, 41483720, 58077208, 72596510, 145193020, 290386040]

約数ペア:

[(1, 290386040), (2, 145193020), (4, 72596510), (5, 58077208), (7, 41483720), (8, 36298255), (10, 29038604), (14, 20741860), (20, 14519302), (23, 12625480), (28, 10370930), (35, 8296744), (40, 7259651), (46, 6312740), (56, 5185465), (67, 4334120), (70, 4148372), (92, 3156370), (115, 2525096), (134, 2167060), (140, 2074186), (161, 1803640), (184, 1578185), (230, 1262548), (268, 1083530), (280, 1037093), (322, 901820), (335, 866824), (460, 631274), (469, 619160), (536, 541765), (644, 450910), (670, 433412), (673, 431480), (805, 360728), (920, 315637), (938, 309580), (1288, 225455), (1340, 216706), (1346, 215740), (1541, 188440), (1610, 180364), (1876, 154790), (2345, 123832), (2680, 108353), (2692, 107870), (3082, 94220), (3220, 90182), (3365, 86296), (3752, 77395), (4690, 61916), (4711, 61640), (5384, 53935), (6164, 47110), (6440, 45091), (6730, 43148), (7705, 37688), (9380, 30958), (9422, 30820), (10787, 26920), (12328, 23555), (13460, 21574), (15410, 18844), (15479, 18760)]