280577332

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1277}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 611906400

約数和(自身を除く): 331329068

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 59, 76, 98, 118, 133, 196, 236, 266, 413, 532, 826, 931, 1121, 1277, 1652, 1862, 2242, 2554, 2891, 3724, 4484, 5108, 5782, 7847, 8939, 11564, 15694, 17878, 24263, 31388, 35756, 48526, 54929, 62573, 75343, 97052, 109858, 125146, 150686, 169841, 219716, 250292, 301372, 339682, 527401, 679364, 1054802, 1188887, 1431517, 2109604, 2377774, 2863034, 3691807, 4755548, 5726068, 7383614, 10020619, 14767228, 20041238, 40082476, 70144333, 140288666, 280577332]

約数ペア:

[(1, 280577332), (2, 140288666), (4, 70144333), (7, 40082476), (14, 20041238), (19, 14767228), (28, 10020619), (38, 7383614), (49, 5726068), (59, 4755548), (76, 3691807), (98, 2863034), (118, 2377774), (133, 2109604), (196, 1431517), (236, 1188887), (266, 1054802), (413, 679364), (532, 527401), (826, 339682), (931, 301372), (1121, 250292), (1277, 219716), (1652, 169841), (1862, 150686), (2242, 125146), (2554, 109858), (2891, 97052), (3724, 75343), (4484, 62573), (5108, 54929), (5782, 48526), (7847, 35756), (8939, 31388), (11564, 24263), (15694, 17878)]