About the Number

208040640

208040639 ← → 208040641

2進数表記:1100011001100111001011000000

漢数字表記:二億八百四万六百四十

素因数分解:

2 6 × 3 1 × 5 1 × 37 1 × 5857 1

素因数の和:5914
約数の個数: 112
約数和(自身を含む): 678496992
約数和(自身を除く): 470456352

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 148, 160, 185, 192, 222, 240, 296, 320, 370, 444, 480, 555, 592, 740, 888, 960, 1110, 1184, 1480, 1776, 2220, 2368, 2960, 3552, 4440, 5857, 5920, 7104, 8880, 11714, 11840, 17571, 17760, 23428, 29285, 35142, 35520, 46856, 58570, 70284, 87855, 93712, 117140, 140568, 175710, 187424, 216709, 234280, 281136, 351420, 374848, 433418, 468560, 562272, 650127, 702840, 866836, 937120, 1083545, 1124544, 1300254, 1405680, 1733672, 1874240, 2167090, 2600508, 2811360, 3250635, 3467344, 4334180, 5201016, 5622720, 6501270, 6934688, 8668360, 10402032, 13002540, 13869376, 17336720, 20804064, 26005080, 34673440, 41608128, 52010160, 69346880, 104020320, 208040640]

約数ペア:
[(1, 208040640), (2, 104020320), (3, 69346880), (4, 52010160), (5, 41608128), (6, 34673440), (8, 26005080), (10, 20804064), (12, 17336720), (15, 13869376), (16, 13002540), (20, 10402032), (24, 8668360), (30, 6934688), (32, 6501270), (37, 5622720), (40, 5201016), (48, 4334180), (60, 3467344), (64, 3250635), (74, 2811360), (80, 2600508), (96, 2167090), (111, 1874240), (120, 1733672), (148, 1405680), (160, 1300254), (185, 1124544), (192, 1083545), (222, 937120), (240, 866836), (296, 702840), (320, 650127), (370, 562272), (444, 468560), (480, 433418), (555, 374848), (592, 351420), (740, 281136), (888, 234280), (960, 216709), (1110, 187424), (1184, 175710), (1480, 140568), (1776, 117140), (2220, 93712), (2368, 87855), (2960, 70284), (3552, 58570), (4440, 46856), (5857, 35520), (5920, 35142), (7104, 29285), (8880, 23428), (11714, 17760), (11840, 17571)]

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