1865922100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 4728586240

約数和(自身を除く): 2862664140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 127, 139, 140, 151, 175, 254, 278, 302, 350, 508, 556, 604, 635, 695, 700, 755, 889, 973, 1057, 1270, 1390, 1510, 1778, 1946, 2114, 2540, 2780, 3020, 3175, 3475, 3556, 3775, 3892, 4228, 4445, 4865, 5285, 6350, 6950, 7550, 8890, 9730, 10570, 12700, 13900, 15100, 17653, 17780, 19177, 19460, 20989, 21140, 22225, 24325, 26425, 35306, 38354, 41978, 44450, 48650, 52850, 70612, 76708, 83956, 88265, 88900, 95885, 97300, 104945, 105700, 123571, 134239, 146923, 176530, 191770, 209890, 247142, 268478, 293846, 353060, 383540, 419780, 441325, 479425, 494284, 524725, 536956, 587692, 617855, 671195, 734615, 882650, 958850, 1049450, 1235710, 1342390, 1469230, 1765300, 1917700, 2098900, 2471420, 2665603, 2684780, 2938460, 3089275, 3355975, 3673075, 5331206, 6178550, 6711950, 7346150, 10662412, 12357100, 13328015, 13423900, 14692300, 18659221, 26656030, 37318442, 53312060, 66640075, 74636884, 93296105, 133280150, 186592210, 266560300, 373184420, 466480525, 932961050, 1865922100]

約数ペア:

[(1, 1865922100), (2, 932961050), (4, 466480525), (5, 373184420), (7, 266560300), (10, 186592210), (14, 133280150), (20, 93296105), (25, 74636884), (28, 66640075), (35, 53312060), (50, 37318442), (70, 26656030), (100, 18659221), (127, 14692300), (139, 13423900), (140, 13328015), (151, 12357100), (175, 10662412), (254, 7346150), (278, 6711950), (302, 6178550), (350, 5331206), (508, 3673075), (556, 3355975), (604, 3089275), (635, 2938460), (695, 2684780), (700, 2665603), (755, 2471420), (889, 2098900), (973, 1917700), (1057, 1765300), (1270, 1469230), (1390, 1342390), (1510, 1235710), (1778, 1049450), (1946, 958850), (2114, 882650), (2540, 734615), (2780, 671195), (3020, 617855), (3175, 587692), (3475, 536956), (3556, 524725), (3775, 494284), (3892, 479425), (4228, 441325), (4445, 419780), (4865, 383540), (5285, 353060), (6350, 293846), (6950, 268478), (7550, 247142), (8890, 209890), (9730, 191770), (10570, 176530), (12700, 146923), (13900, 134239), (15100, 123571), (17653, 105700), (17780, 104945), (19177, 97300), (19460, 95885), (20989, 88900), (21140, 88265), (22225, 83956), (24325, 76708), (26425, 70612), (35306, 52850), (38354, 48650), (41978, 44450)]