40405050

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 144

約数和(自身を含む): 126277632

約数和(自身を除く): 85872582

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 101, 105, 126, 127, 150, 175, 202, 210, 225, 254, 303, 315, 350, 381, 450, 505, 525, 606, 630, 635, 707, 762, 889, 909, 1010, 1050, 1143, 1270, 1414, 1515, 1575, 1778, 1818, 1905, 2121, 2286, 2525, 2667, 3030, 3150, 3175, 3535, 3810, 4242, 4445, 4545, 5050, 5334, 5715, 6350, 6363, 7070, 7575, 8001, 8890, 9090, 9525, 10605, 11430, 12726, 12827, 13335, 15150, 16002, 17675, 19050, 21210, 22225, 22725, 25654, 26670, 28575, 31815, 35350, 38481, 40005, 44450, 45450, 53025, 57150, 63630, 64135, 66675, 76962, 80010, 89789, 106050, 115443, 128270, 133350, 159075, 179578, 192405, 200025, 230886, 269367, 318150, 320675, 384810, 400050, 448945, 538734, 577215, 641350, 808101, 897890, 962025, 1154430, 1346835, 1616202, 1924050, 2244725, 2693670, 2886075, 4040505, 4489450, 5772150, 6734175, 8081010, 13468350, 20202525, 40405050]

約数ペア:

[(1, 40405050), (2, 20202525), (3, 13468350), (5, 8081010), (6, 6734175), (7, 5772150), (9, 4489450), (10, 4040505), (14, 2886075), (15, 2693670), (18, 2244725), (21, 1924050), (25, 1616202), (30, 1346835), (35, 1154430), (42, 962025), (45, 897890), (50, 808101), (63, 641350), (70, 577215), (75, 538734), (90, 448945), (101, 400050), (105, 384810), (126, 320675), (127, 318150), (150, 269367), (175, 230886), (202, 200025), (210, 192405), (225, 179578), (254, 159075), (303, 133350), (315, 128270), (350, 115443), (381, 106050), (450, 89789), (505, 80010), (525, 76962), (606, 66675), (630, 64135), (635, 63630), (707, 57150), (762, 53025), (889, 45450), (909, 44450), (1010, 40005), (1050, 38481), (1143, 35350), (1270, 31815), (1414, 28575), (1515, 26670), (1575, 25654), (1778, 22725), (1818, 22225), (1905, 21210), (2121, 19050), (2286, 17675), (2525, 16002), (2667, 15150), (3030, 13335), (3150, 12827), (3175, 12726), (3535, 11430), (3810, 10605), (4242, 9525), (4445, 9090), (4545, 8890), (5050, 8001), (5334, 7575), (5715, 7070), (6350, 6363)]