285877900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 781949952

約数和(自身を除く): 496072052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 137, 140, 154, 175, 220, 271, 274, 275, 308, 350, 385, 542, 548, 550, 685, 700, 770, 959, 1084, 1100, 1355, 1370, 1507, 1540, 1897, 1918, 1925, 2710, 2740, 2981, 3014, 3425, 3794, 3836, 3850, 4795, 5420, 5962, 6028, 6775, 6850, 7535, 7588, 7700, 9485, 9590, 10549, 11924, 13550, 13700, 14905, 15070, 18970, 19180, 20867, 21098, 23975, 27100, 29810, 30140, 37127, 37675, 37940, 41734, 42196, 47425, 47950, 52745, 59620, 74254, 74525, 75350, 83468, 94850, 95900, 104335, 105490, 148508, 149050, 150700, 185635, 189700, 208670, 210980, 259889, 263725, 298100, 371270, 408397, 417340, 519778, 521675, 527450, 742540, 816794, 928175, 1039556, 1043350, 1054900, 1299445, 1633588, 1856350, 2041985, 2086700, 2598890, 2858779, 3712700, 4083970, 5197780, 5717558, 6497225, 8167940, 10209925, 11435116, 12994450, 14293895, 20419850, 25988900, 28587790, 40839700, 57175580, 71469475, 142938950, 285877900]

約数ペア:

[(1, 285877900), (2, 142938950), (4, 71469475), (5, 57175580), (7, 40839700), (10, 28587790), (11, 25988900), (14, 20419850), (20, 14293895), (22, 12994450), (25, 11435116), (28, 10209925), (35, 8167940), (44, 6497225), (50, 5717558), (55, 5197780), (70, 4083970), (77, 3712700), (100, 2858779), (110, 2598890), (137, 2086700), (140, 2041985), (154, 1856350), (175, 1633588), (220, 1299445), (271, 1054900), (274, 1043350), (275, 1039556), (308, 928175), (350, 816794), (385, 742540), (542, 527450), (548, 521675), (550, 519778), (685, 417340), (700, 408397), (770, 371270), (959, 298100), (1084, 263725), (1100, 259889), (1355, 210980), (1370, 208670), (1507, 189700), (1540, 185635), (1897, 150700), (1918, 149050), (1925, 148508), (2710, 105490), (2740, 104335), (2981, 95900), (3014, 94850), (3425, 83468), (3794, 75350), (3836, 74525), (3850, 74254), (4795, 59620), (5420, 52745), (5962, 47950), (6028, 47425), (6775, 42196), (6850, 41734), (7535, 37940), (7588, 37675), (7700, 37127), (9485, 30140), (9590, 29810), (10549, 27100), (11924, 23975), (13550, 21098), (13700, 20867), (14905, 19180), (15070, 18970)]