About the Number

245384640

245384639 ← → 245384641

2進数表記:1110101000000100010111000000

漢数字表記:二億四千五百三十八万四千六百四十

素因数分解:

2 6 × 3 4 × 5 1 × 9467 1

素因数の和:9496
約数の個数: 140
約数和(自身を含む): 872968536
約数和(自身を除く): 627583896

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 9467, 12960, 18934, 25920, 28401, 37868, 47335, 56802, 75736, 85203, 94670, 113604, 142005, 151472, 170406, 189340, 227208, 255609, 284010, 302944, 340812, 378680, 426015, 454416, 511218, 568020, 605888, 681624, 757360, 766827, 852030, 908832, 1022436, 1136040, 1278045, 1363248, 1514720, 1533654, 1704060, 1817664, 2044872, 2272080, 2556090, 2726496, 3029440, 3067308, 3408120, 3834135, 4089744, 4544160, 5112180, 5452992, 6134616, 6816240, 7668270, 8179488, 9088320, 10224360, 12269232, 13632480, 15336540, 16358976, 20448720, 24538464, 27264960, 30673080, 40897440, 49076928, 61346160, 81794880, 122692320, 245384640]

約数ペア:
[(1, 245384640), (2, 122692320), (3, 81794880), (4, 61346160), (5, 49076928), (6, 40897440), (8, 30673080), (9, 27264960), (10, 24538464), (12, 20448720), (15, 16358976), (16, 15336540), (18, 13632480), (20, 12269232), (24, 10224360), (27, 9088320), (30, 8179488), (32, 7668270), (36, 6816240), (40, 6134616), (45, 5452992), (48, 5112180), (54, 4544160), (60, 4089744), (64, 3834135), (72, 3408120), (80, 3067308), (81, 3029440), (90, 2726496), (96, 2556090), (108, 2272080), (120, 2044872), (135, 1817664), (144, 1704060), (160, 1533654), (162, 1514720), (180, 1363248), (192, 1278045), (216, 1136040), (240, 1022436), (270, 908832), (288, 852030), (320, 766827), (324, 757360), (360, 681624), (405, 605888), (432, 568020), (480, 511218), (540, 454416), (576, 426015), (648, 378680), (720, 340812), (810, 302944), (864, 284010), (960, 255609), (1080, 227208), (1296, 189340), (1440, 170406), (1620, 151472), (1728, 142005), (2160, 113604), (2592, 94670), (2880, 85203), (3240, 75736), (4320, 56802), (5184, 47335), (6480, 37868), (8640, 28401), (9467, 25920), (12960, 18934)]

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