About the Number

201712488380

201712488379 ← → 201712488381

2進数表記:10111011110111000000000100111110111100

漢数字表記:二千十七億千二百四十八万八千三百八十

素因数分解:

2 2 × 5 1 × 13 2 × 541 1 × 110311 1

素因数の和:110887
約数の個数: 72
約数和(自身を含む): 459539053344
約数和(自身を除く): 257826564964

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 541, 676, 845, 1082, 1690, 2164, 2705, 3380, 5410, 7033, 10820, 14066, 28132, 35165, 70330, 91429, 110311, 140660, 182858, 220622, 365716, 441244, 457145, 551555, 914290, 1103110, 1434043, 1828580, 2206220, 2868086, 5736172, 7170215, 14340430, 18642559, 28680860, 37285118, 59678251, 74570236, 93212795, 119356502, 186425590, 238713004, 298391255, 372851180, 596782510, 775817263, 1193565020, 1551634526, 3103269052, 3879086315, 7758172630, 10085624419, 15516345260, 20171248838, 40342497676, 50428122095, 100856244190, 201712488380]

約数ペア:
[(1, 201712488380), (2, 100856244190), (4, 50428122095), (5, 40342497676), (10, 20171248838), (13, 15516345260), (20, 10085624419), (26, 7758172630), (52, 3879086315), (65, 3103269052), (130, 1551634526), (169, 1193565020), (260, 775817263), (338, 596782510), (541, 372851180), (676, 298391255), (845, 238713004), (1082, 186425590), (1690, 119356502), (2164, 93212795), (2705, 74570236), (3380, 59678251), (5410, 37285118), (7033, 28680860), (10820, 18642559), (14066, 14340430), (28132, 7170215), (35165, 5736172), (70330, 2868086), (91429, 2206220), (110311, 1828580), (140660, 1434043), (182858, 1103110), (220622, 914290), (365716, 551555), (441244, 457145)]

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