About the Number

218402080

218402079 ← → 218402081

2進数表記:1101000001001000110100100000

漢数字表記:二億千八百四十万二千八十

素因数分解:

2 5 × 5 1 × 13 2 × 41 1 × 197 1

素因数の和:279
約数の個数: 144
約数和(自身を含む): 575250984
約数和(自身を除く): 356848904

約数列:
[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 169, 197, 205, 208, 260, 328, 338, 394, 410, 416, 520, 533, 656, 676, 788, 820, 845, 985, 1040, 1066, 1312, 1352, 1576, 1640, 1690, 1970, 2080, 2132, 2561, 2665, 2704, 3152, 3280, 3380, 3940, 4264, 5122, 5330, 5408, 6304, 6560, 6760, 6929, 7880, 8077, 8528, 10244, 10660, 12805, 13520, 13858, 15760, 16154, 17056, 20488, 21320, 25610, 27040, 27716, 31520, 32308, 33293, 34645, 40385, 40976, 42640, 51220, 55432, 64616, 66586, 69290, 80770, 81952, 85280, 102440, 105001, 110864, 129232, 133172, 138580, 161540, 166465, 204880, 210002, 221728, 258464, 266344, 277160, 323080, 332930, 409760, 420004, 525005, 532688, 554320, 646160, 665860, 840008, 1050010, 1065376, 1108640, 1292320, 1331720, 1365013, 1680016, 2100020, 2663440, 2730026, 3360032, 4200040, 5326880, 5460052, 6825065, 8400080, 10920104, 13650130, 16800160, 21840208, 27300260, 43680416, 54600520, 109201040, 218402080]

約数ペア:
[(1, 218402080), (2, 109201040), (4, 54600520), (5, 43680416), (8, 27300260), (10, 21840208), (13, 16800160), (16, 13650130), (20, 10920104), (26, 8400080), (32, 6825065), (40, 5460052), (41, 5326880), (52, 4200040), (65, 3360032), (80, 2730026), (82, 2663440), (104, 2100020), (130, 1680016), (160, 1365013), (164, 1331720), (169, 1292320), (197, 1108640), (205, 1065376), (208, 1050010), (260, 840008), (328, 665860), (338, 646160), (394, 554320), (410, 532688), (416, 525005), (520, 420004), (533, 409760), (656, 332930), (676, 323080), (788, 277160), (820, 266344), (845, 258464), (985, 221728), (1040, 210002), (1066, 204880), (1312, 166465), (1352, 161540), (1576, 138580), (1640, 133172), (1690, 129232), (1970, 110864), (2080, 105001), (2132, 102440), (2561, 85280), (2665, 81952), (2704, 80770), (3152, 69290), (3280, 66586), (3380, 64616), (3940, 55432), (4264, 51220), (5122, 42640), (5330, 40976), (5408, 40385), (6304, 34645), (6560, 33293), (6760, 32308), (6929, 31520), (7880, 27716), (8077, 27040), (8528, 25610), (10244, 21320), (10660, 20488), (12805, 17056), (13520, 16154), (13858, 15760)]

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