1254406940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 2786918400

約数和(自身を除く): 1532511460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 127, 155, 178, 179, 254, 310, 356, 358, 445, 508, 620, 635, 716, 890, 895, 1270, 1780, 1790, 2540, 2759, 3580, 3937, 5518, 5549, 7874, 11036, 11098, 11303, 13795, 15748, 15931, 19685, 22196, 22606, 22733, 27590, 27745, 31862, 39370, 45212, 45466, 55180, 55490, 56515, 63724, 78740, 79655, 90932, 110980, 113030, 113665, 159310, 226060, 227330, 318620, 350393, 454660, 493861, 700786, 704723, 987722, 1401572, 1409446, 1751965, 1975444, 2023237, 2469305, 2818892, 3503930, 3523615, 4046474, 4938610, 7007860, 7047230, 8092948, 9877220, 10116185, 14094460, 20232370, 40464740, 62720347, 125440694, 250881388, 313601735, 627203470, 1254406940]

約数ペア:

[(1, 1254406940), (2, 627203470), (4, 313601735), (5, 250881388), (10, 125440694), (20, 62720347), (31, 40464740), (62, 20232370), (89, 14094460), (124, 10116185), (127, 9877220), (155, 8092948), (178, 7047230), (179, 7007860), (254, 4938610), (310, 4046474), (356, 3523615), (358, 3503930), (445, 2818892), (508, 2469305), (620, 2023237), (635, 1975444), (716, 1751965), (890, 1409446), (895, 1401572), (1270, 987722), (1780, 704723), (1790, 700786), (2540, 493861), (2759, 454660), (3580, 350393), (3937, 318620), (5518, 227330), (5549, 226060), (7874, 159310), (11036, 113665), (11098, 113030), (11303, 110980), (13795, 90932), (15748, 79655), (15931, 78740), (19685, 63724), (22196, 56515), (22606, 55490), (22733, 55180), (27590, 45466), (27745, 45212), (31862, 39370)]