About the Number

201209820

201209819 ← → 201209821

2進数表記:1011111111100011011111011100

漢数字表記:二億百二十万九千八百二十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 47 1 × 10193 1

素因数の和:10259
約数の個数: 96
約数和(自身を含む): 657635328
約数和(自身を除く): 456425508

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1645, 1974, 2820, 3290, 3948, 4935, 6580, 9870, 10193, 19740, 20386, 30579, 40772, 50965, 61158, 71351, 101930, 122316, 142702, 152895, 203860, 214053, 285404, 305790, 356755, 428106, 479071, 611580, 713510, 856212, 958142, 1070265, 1427020, 1437213, 1916284, 2140530, 2395355, 2874426, 3353497, 4281060, 4790710, 5748852, 6706994, 7186065, 9581420, 10060491, 13413988, 14372130, 16767485, 20120982, 28744260, 33534970, 40241964, 50302455, 67069940, 100604910, 201209820]

約数ペア:
[(1, 201209820), (2, 100604910), (3, 67069940), (4, 50302455), (5, 40241964), (6, 33534970), (7, 28744260), (10, 20120982), (12, 16767485), (14, 14372130), (15, 13413988), (20, 10060491), (21, 9581420), (28, 7186065), (30, 6706994), (35, 5748852), (42, 4790710), (47, 4281060), (60, 3353497), (70, 2874426), (84, 2395355), (94, 2140530), (105, 1916284), (140, 1437213), (141, 1427020), (188, 1070265), (210, 958142), (235, 856212), (282, 713510), (329, 611580), (420, 479071), (470, 428106), (564, 356755), (658, 305790), (705, 285404), (940, 214053), (987, 203860), (1316, 152895), (1410, 142702), (1645, 122316), (1974, 101930), (2820, 71351), (3290, 61158), (3948, 50965), (4935, 40772), (6580, 30579), (9870, 20386), (10193, 19740)]

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