277206580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 735799680

約数和(自身を除く): 458593100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 197, 230, 266, 322, 380, 394, 437, 460, 529, 532, 644, 665, 788, 805, 874, 985, 1058, 1330, 1379, 1610, 1748, 1970, 2116, 2185, 2645, 2660, 2758, 3059, 3220, 3703, 3743, 3940, 4370, 4531, 5290, 5516, 6118, 6895, 7406, 7486, 8740, 9062, 10051, 10580, 12236, 13790, 14812, 14972, 15295, 18124, 18515, 18715, 20102, 22655, 26201, 27580, 30590, 31717, 37030, 37430, 40204, 45310, 50255, 52402, 61180, 63434, 70357, 74060, 74860, 86089, 90620, 100510, 104213, 104804, 126868, 131005, 140714, 158585, 172178, 201020, 208426, 262010, 281428, 317170, 344356, 351785, 416852, 430445, 521065, 524020, 602623, 634340, 703570, 729491, 860890, 1042130, 1205246, 1407140, 1458982, 1721780, 1980047, 2084260, 2410492, 2917964, 3013115, 3647455, 3960094, 6026230, 7294910, 7920188, 9900235, 12052460, 13860329, 14589820, 19800470, 27720658, 39600940, 55441316, 69301645, 138603290, 277206580]

約数ペア:

[(1, 277206580), (2, 138603290), (4, 69301645), (5, 55441316), (7, 39600940), (10, 27720658), (14, 19800470), (19, 14589820), (20, 13860329), (23, 12052460), (28, 9900235), (35, 7920188), (38, 7294910), (46, 6026230), (70, 3960094), (76, 3647455), (92, 3013115), (95, 2917964), (115, 2410492), (133, 2084260), (140, 1980047), (161, 1721780), (190, 1458982), (197, 1407140), (230, 1205246), (266, 1042130), (322, 860890), (380, 729491), (394, 703570), (437, 634340), (460, 602623), (529, 524020), (532, 521065), (644, 430445), (665, 416852), (788, 351785), (805, 344356), (874, 317170), (985, 281428), (1058, 262010), (1330, 208426), (1379, 201020), (1610, 172178), (1748, 158585), (1970, 140714), (2116, 131005), (2185, 126868), (2645, 104804), (2660, 104213), (2758, 100510), (3059, 90620), (3220, 86089), (3703, 74860), (3743, 74060), (3940, 70357), (4370, 63434), (4531, 61180), (5290, 52402), (5516, 50255), (6118, 45310), (6895, 40204), (7406, 37430), (7486, 37030), (8740, 31717), (9062, 30590), (10051, 27580), (10580, 26201), (12236, 22655), (13790, 20102), (14812, 18715), (14972, 18515), (15295, 18124)]