About the Number

1989901440

1989901439 ← → 1989901441

2進数表記:1110110100110110111110010000000

漢数字表記:十九億八千九百九十万千四百四十

素因数分解:

2 7 × 3 2 × 5 1 × 37 1 × 9337 1

素因数の和:9399
約数の個数: 192
約数和(自身を含む): 7057847160
約数和(自身を除く): 5067945720

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 288, 296, 320, 333, 360, 370, 384, 444, 480, 555, 576, 592, 640, 666, 720, 740, 888, 960, 1110, 1152, 1184, 1332, 1440, 1480, 1665, 1776, 1920, 2220, 2368, 2664, 2880, 2960, 3330, 3552, 4440, 4736, 5328, 5760, 5920, 6660, 7104, 8880, 9337, 10656, 11840, 13320, 14208, 17760, 18674, 21312, 23680, 26640, 28011, 35520, 37348, 42624, 46685, 53280, 56022, 71040, 74696, 84033, 93370, 106560, 112044, 140055, 149392, 168066, 186740, 213120, 224088, 280110, 298784, 336132, 345469, 373480, 420165, 448176, 560220, 597568, 672264, 690938, 746960, 840330, 896352, 1036407, 1120440, 1195136, 1344528, 1381876, 1493920, 1680660, 1727345, 1792704, 2072814, 2240880, 2689056, 2763752, 2987840, 3109221, 3361320, 3454690, 3585408, 4145628, 4481760, 5182035, 5378112, 5527504, 5975680, 6218442, 6722640, 6909380, 8291256, 8963520, 10364070, 10756224, 11055008, 12436884, 13445280, 13818760, 15546105, 16582512, 17927040, 20728140, 22110016, 24873768, 26890560, 27637520, 31092210, 33165024, 41456280, 44220032, 49747536, 53781120, 55275040, 62184420, 66330048, 82912560, 99495072, 110550080, 124368840, 132660096, 165825120, 198990144, 221100160, 248737680, 331650240, 397980288, 497475360, 663300480, 994950720, 1989901440]

約数ペア:
[(1, 1989901440), (2, 994950720), (3, 663300480), (4, 497475360), (5, 397980288), (6, 331650240), (8, 248737680), (9, 221100160), (10, 198990144), (12, 165825120), (15, 132660096), (16, 124368840), (18, 110550080), (20, 99495072), (24, 82912560), (30, 66330048), (32, 62184420), (36, 55275040), (37, 53781120), (40, 49747536), (45, 44220032), (48, 41456280), (60, 33165024), (64, 31092210), (72, 27637520), (74, 26890560), (80, 24873768), (90, 22110016), (96, 20728140), (111, 17927040), (120, 16582512), (128, 15546105), (144, 13818760), (148, 13445280), (160, 12436884), (180, 11055008), (185, 10756224), (192, 10364070), (222, 8963520), (240, 8291256), (288, 6909380), (296, 6722640), (320, 6218442), (333, 5975680), (360, 5527504), (370, 5378112), (384, 5182035), (444, 4481760), (480, 4145628), (555, 3585408), (576, 3454690), (592, 3361320), (640, 3109221), (666, 2987840), (720, 2763752), (740, 2689056), (888, 2240880), (960, 2072814), (1110, 1792704), (1152, 1727345), (1184, 1680660), (1332, 1493920), (1440, 1381876), (1480, 1344528), (1665, 1195136), (1776, 1120440), (1920, 1036407), (2220, 896352), (2368, 840330), (2664, 746960), (2880, 690938), (2960, 672264), (3330, 597568), (3552, 560220), (4440, 448176), (4736, 420165), (5328, 373480), (5760, 345469), (5920, 336132), (6660, 298784), (7104, 280110), (8880, 224088), (9337, 213120), (10656, 186740), (11840, 168066), (13320, 149392), (14208, 140055), (17760, 112044), (18674, 106560), (21312, 93370), (23680, 84033), (26640, 74696), (28011, 71040), (35520, 56022), (37348, 53280), (42624, 46685)]

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