About the Number

12728928400

12728928399 ← → 12728928401

2進数表記:1011110110101101000000100010010000

漢数字表記:百二十七億二千八百九十二万八千四百

素因数分解:

2 4 × 5 2 × 19 1 × 383 1 × 4373 1

素因数の和:4793
約数の個数: 120
約数和(自身を含む): 32282219520
約数和(自身を除く): 19553291120

約数列:
[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 383, 400, 475, 760, 766, 950, 1520, 1532, 1900, 1915, 3064, 3800, 3830, 4373, 6128, 7277, 7600, 7660, 8746, 9575, 14554, 15320, 17492, 19150, 21865, 29108, 30640, 34984, 36385, 38300, 43730, 58216, 69968, 72770, 76600, 83087, 87460, 109325, 116432, 145540, 153200, 166174, 174920, 181925, 218650, 291080, 332348, 349840, 363850, 415435, 437300, 582160, 664696, 727700, 830870, 874600, 1329392, 1455400, 1661740, 1674859, 1749200, 2077175, 2910800, 3323480, 3349718, 4154350, 6646960, 6699436, 8308700, 8374295, 13398872, 16617400, 16748590, 26797744, 31822321, 33234800, 33497180, 41871475, 63644642, 66994360, 83742950, 127289284, 133988720, 159111605, 167485900, 254578568, 318223210, 334971800, 509157136, 636446420, 669943600, 795558025, 1272892840, 1591116050, 2545785680, 3182232100, 6364464200, 12728928400]

約数ペア:
[(1, 12728928400), (2, 6364464200), (4, 3182232100), (5, 2545785680), (8, 1591116050), (10, 1272892840), (16, 795558025), (19, 669943600), (20, 636446420), (25, 509157136), (38, 334971800), (40, 318223210), (50, 254578568), (76, 167485900), (80, 159111605), (95, 133988720), (100, 127289284), (152, 83742950), (190, 66994360), (200, 63644642), (304, 41871475), (380, 33497180), (383, 33234800), (400, 31822321), (475, 26797744), (760, 16748590), (766, 16617400), (950, 13398872), (1520, 8374295), (1532, 8308700), (1900, 6699436), (1915, 6646960), (3064, 4154350), (3800, 3349718), (3830, 3323480), (4373, 2910800), (6128, 2077175), (7277, 1749200), (7600, 1674859), (7660, 1661740), (8746, 1455400), (9575, 1329392), (14554, 874600), (15320, 830870), (17492, 727700), (19150, 664696), (21865, 582160), (29108, 437300), (30640, 415435), (34984, 363850), (36385, 349840), (38300, 332348), (43730, 291080), (58216, 218650), (69968, 181925), (72770, 174920), (76600, 166174), (83087, 153200), (87460, 145540), (109325, 116432)]

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