About the Number

1987107480

1987107479 ← → 1987107481

2進数表記:1110110011100001101101010011000

漢数字表記:十九億八千七百十万七千四百八十

素因数分解:

2 3 × 3 2 × 5 1 × 197 1 × 28019 1

素因数の和:28233
約数の個数: 96
約数和(自身を含む): 6491113200
約数和(自身を除く): 4504005720

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 197, 360, 394, 591, 788, 985, 1182, 1576, 1773, 1970, 2364, 2955, 3546, 3940, 4728, 5910, 7092, 7880, 8865, 11820, 14184, 17730, 23640, 28019, 35460, 56038, 70920, 84057, 112076, 140095, 168114, 224152, 252171, 280190, 336228, 420285, 504342, 560380, 672456, 840570, 1008684, 1120760, 1260855, 1681140, 2017368, 2521710, 3362280, 5043420, 5519743, 10086840, 11039486, 16559229, 22078972, 27598715, 33118458, 44157944, 49677687, 55197430, 66236916, 82796145, 99355374, 110394860, 132473832, 165592290, 198710748, 220789720, 248388435, 331184580, 397421496, 496776870, 662369160, 993553740, 1987107480]

約数ペア:
[(1, 1987107480), (2, 993553740), (3, 662369160), (4, 496776870), (5, 397421496), (6, 331184580), (8, 248388435), (9, 220789720), (10, 198710748), (12, 165592290), (15, 132473832), (18, 110394860), (20, 99355374), (24, 82796145), (30, 66236916), (36, 55197430), (40, 49677687), (45, 44157944), (60, 33118458), (72, 27598715), (90, 22078972), (120, 16559229), (180, 11039486), (197, 10086840), (360, 5519743), (394, 5043420), (591, 3362280), (788, 2521710), (985, 2017368), (1182, 1681140), (1576, 1260855), (1773, 1120760), (1970, 1008684), (2364, 840570), (2955, 672456), (3546, 560380), (3940, 504342), (4728, 420285), (5910, 336228), (7092, 280190), (7880, 252171), (8865, 224152), (11820, 168114), (14184, 140095), (17730, 112076), (23640, 84057), (28019, 70920), (35460, 56038)]

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