About the Number

131401200

131401199 ← → 131401201

2進数表記:111110101010000010111110000

漢数字表記:一億三千百四十万千二百

素因数分解:

2 4 × 3 1 × 5 2 × 7 1 × 15643 1

素因数の和:15671
約数の個数: 120
約数和(自身を含む): 481084288
約数和(自身を除く): 349683088

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 15643, 31286, 46929, 62572, 78215, 93858, 109501, 125144, 156430, 187716, 219002, 234645, 250288, 312860, 328503, 375432, 391075, 438004, 469290, 547505, 625720, 657006, 750864, 782150, 876008, 938580, 1095010, 1173225, 1251440, 1314012, 1564300, 1642515, 1752016, 1877160, 2190020, 2346450, 2628024, 2737525, 3128600, 3285030, 3754320, 4380040, 4692900, 5256048, 5475050, 6257200, 6570060, 8212575, 8760080, 9385800, 10950100, 13140120, 16425150, 18771600, 21900200, 26280240, 32850300, 43800400, 65700600, 131401200]

約数ペア:
[(1, 131401200), (2, 65700600), (3, 43800400), (4, 32850300), (5, 26280240), (6, 21900200), (7, 18771600), (8, 16425150), (10, 13140120), (12, 10950100), (14, 9385800), (15, 8760080), (16, 8212575), (20, 6570060), (21, 6257200), (24, 5475050), (25, 5256048), (28, 4692900), (30, 4380040), (35, 3754320), (40, 3285030), (42, 3128600), (48, 2737525), (50, 2628024), (56, 2346450), (60, 2190020), (70, 1877160), (75, 1752016), (80, 1642515), (84, 1564300), (100, 1314012), (105, 1251440), (112, 1173225), (120, 1095010), (140, 938580), (150, 876008), (168, 782150), (175, 750864), (200, 657006), (210, 625720), (240, 547505), (280, 469290), (300, 438004), (336, 391075), (350, 375432), (400, 328503), (420, 312860), (525, 250288), (560, 234645), (600, 219002), (700, 187716), (840, 156430), (1050, 125144), (1200, 109501), (1400, 93858), (1680, 78215), (2100, 62572), (2800, 46929), (4200, 31286), (8400, 15643)]

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