1388295540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{265957}}^1$

素因数の和:266001

約数の個数: 72

約数和(自身を含む): 4356392040

約数和(自身を除く): 2968096500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 265957, 531914, 797871, 1063828, 1329785, 1595742, 2393613, 2659570, 3191484, 3989355, 4787226, 5319140, 7712753, 7978710, 9574452, 11968065, 15425506, 15957420, 23138259, 23936130, 30851012, 38563765, 46276518, 47872260, 69414777, 77127530, 92553036, 115691295, 138829554, 154255060, 231382590, 277659108, 347073885, 462765180, 694147770, 1388295540]

約数ペア:

[(1, 1388295540), (2, 694147770), (3, 462765180), (4, 347073885), (5, 277659108), (6, 231382590), (9, 154255060), (10, 138829554), (12, 115691295), (15, 92553036), (18, 77127530), (20, 69414777), (29, 47872260), (30, 46276518), (36, 38563765), (45, 30851012), (58, 23936130), (60, 23138259), (87, 15957420), (90, 15425506), (116, 11968065), (145, 9574452), (174, 7978710), (180, 7712753), (261, 5319140), (290, 4787226), (348, 3989355), (435, 3191484), (522, 2659570), (580, 2393613), (870, 1595742), (1044, 1329785), (1305, 1063828), (1740, 797871), (2610, 531914), (5220, 265957)]