About the Number

212912640

212912639 ← → 212912641

2進数表記:1100101100001100101000000000

漢数字表記:二億千二百九十一万二千六百四十

素因数分解:

2 9 × 3 2 × 5 1 × 9241 1

素因数の和:9270
約数の個数: 120
約数和(自身を含む): 737456148
約数和(自身を除く): 524543508

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 9241, 11520, 18482, 23040, 27723, 36964, 46205, 55446, 73928, 83169, 92410, 110892, 138615, 147856, 166338, 184820, 221784, 277230, 295712, 332676, 369640, 415845, 443568, 554460, 591424, 665352, 739280, 831690, 887136, 1108920, 1182848, 1330704, 1478560, 1663380, 1774272, 2217840, 2365696, 2661408, 2957120, 3326760, 3548544, 4435680, 4731392, 5322816, 5914240, 6653520, 7097088, 8871360, 10645632, 11828480, 13307040, 14194176, 17742720, 21291264, 23656960, 26614080, 35485440, 42582528, 53228160, 70970880, 106456320, 212912640]

約数ペア:
[(1, 212912640), (2, 106456320), (3, 70970880), (4, 53228160), (5, 42582528), (6, 35485440), (8, 26614080), (9, 23656960), (10, 21291264), (12, 17742720), (15, 14194176), (16, 13307040), (18, 11828480), (20, 10645632), (24, 8871360), (30, 7097088), (32, 6653520), (36, 5914240), (40, 5322816), (45, 4731392), (48, 4435680), (60, 3548544), (64, 3326760), (72, 2957120), (80, 2661408), (90, 2365696), (96, 2217840), (120, 1774272), (128, 1663380), (144, 1478560), (160, 1330704), (180, 1182848), (192, 1108920), (240, 887136), (256, 831690), (288, 739280), (320, 665352), (360, 591424), (384, 554460), (480, 443568), (512, 415845), (576, 369640), (640, 332676), (720, 295712), (768, 277230), (960, 221784), (1152, 184820), (1280, 166338), (1440, 147856), (1536, 138615), (1920, 110892), (2304, 92410), (2560, 83169), (2880, 73928), (3840, 55446), (4608, 46205), (5760, 36964), (7680, 27723), (9241, 23040), (11520, 18482)]

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