About the Number

212571840

212571839 ← → 212571841

2進数表記:1100101010111001011011000000

漢数字表記:二億千二百五十七万千八百四十

素因数分解:

2 6 × 3 1 × 5 1 × 13 1 × 17033 1

素因数の和:17066
約数の個数: 112
約数和(自身を含む): 726874848
約数和(自身を除く): 514303008

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 17033, 34066, 51099, 68132, 85165, 102198, 136264, 170330, 204396, 221429, 255495, 272528, 340660, 408792, 442858, 510990, 545056, 664287, 681320, 817584, 885716, 1021980, 1090112, 1107145, 1328574, 1362640, 1635168, 1771432, 2043960, 2214290, 2657148, 2725280, 3270336, 3321435, 3542864, 4087920, 4428580, 5314296, 5450560, 6642870, 7085728, 8175840, 8857160, 10628592, 13285740, 14171456, 16351680, 17714320, 21257184, 26571480, 35428640, 42514368, 53142960, 70857280, 106285920, 212571840]

約数ペア:
[(1, 212571840), (2, 106285920), (3, 70857280), (4, 53142960), (5, 42514368), (6, 35428640), (8, 26571480), (10, 21257184), (12, 17714320), (13, 16351680), (15, 14171456), (16, 13285740), (20, 10628592), (24, 8857160), (26, 8175840), (30, 7085728), (32, 6642870), (39, 5450560), (40, 5314296), (48, 4428580), (52, 4087920), (60, 3542864), (64, 3321435), (65, 3270336), (78, 2725280), (80, 2657148), (96, 2214290), (104, 2043960), (120, 1771432), (130, 1635168), (156, 1362640), (160, 1328574), (192, 1107145), (195, 1090112), (208, 1021980), (240, 885716), (260, 817584), (312, 681320), (320, 664287), (390, 545056), (416, 510990), (480, 442858), (520, 408792), (624, 340660), (780, 272528), (832, 255495), (960, 221429), (1040, 204396), (1248, 170330), (1560, 136264), (2080, 102198), (2496, 85165), (3120, 68132), (4160, 51099), (6240, 34066), (12480, 17033)]

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