291212946920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1\times {\mathrm{7691}}^1$

素因数の和:8479

約数の個数: 128

約数和(自身を含む): 753200640000

約数和(自身を除く): 461987693080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 499, 542, 998, 1084, 1355, 1897, 1996, 2168, 2495, 2710, 3493, 3794, 3992, 4990, 5420, 6986, 7588, 7691, 9485, 9980, 10840, 13972, 15176, 15382, 17465, 18970, 19960, 27944, 30764, 34930, 37940, 38455, 53837, 61528, 69860, 75880, 76910, 107674, 135229, 139720, 153820, 215348, 269185, 270458, 307640, 430696, 538370, 540916, 676145, 946603, 1076740, 1081832, 1352290, 1893206, 2084261, 2153480, 2704580, 3786412, 3837809, 4168522, 4733015, 5409160, 7572824, 7675618, 8337044, 9466030, 10421305, 14589827, 15351236, 16674088, 18932060, 19189045, 20842610, 26864663, 29179654, 30702472, 37864120, 38378090, 41685220, 53729326, 58359308, 72949135, 76756180, 83370440, 107458652, 116718616, 134323315, 145898270, 153512360, 214917304, 268646630, 291796540, 537293260, 583593080, 1040046239, 1074586520, 2080092478, 4160184956, 5200231195, 7280323673, 8320369912, 10400462390, 14560647346, 20800924780, 29121294692, 36401618365, 41601849560, 58242589384, 72803236730, 145606473460, 291212946920]

約数ペア:

[(1, 291212946920), (2, 145606473460), (4, 72803236730), (5, 58242589384), (7, 41601849560), (8, 36401618365), (10, 29121294692), (14, 20800924780), (20, 14560647346), (28, 10400462390), (35, 8320369912), (40, 7280323673), (56, 5200231195), (70, 4160184956), (140, 2080092478), (271, 1074586520), (280, 1040046239), (499, 583593080), (542, 537293260), (998, 291796540), (1084, 268646630), (1355, 214917304), (1897, 153512360), (1996, 145898270), (2168, 134323315), (2495, 116718616), (2710, 107458652), (3493, 83370440), (3794, 76756180), (3992, 72949135), (4990, 58359308), (5420, 53729326), (6986, 41685220), (7588, 38378090), (7691, 37864120), (9485, 30702472), (9980, 29179654), (10840, 26864663), (13972, 20842610), (15176, 19189045), (15382, 18932060), (17465, 16674088), (18970, 15351236), (19960, 14589827), (27944, 10421305), (30764, 9466030), (34930, 8337044), (37940, 7675618), (38455, 7572824), (53837, 5409160), (61528, 4733015), (69860, 4168522), (75880, 3837809), (76910, 3786412), (107674, 2704580), (135229, 2153480), (139720, 2084261), (153820, 1893206), (215348, 1352290), (269185, 1081832), (270458, 1076740), (307640, 946603), (430696, 676145), (538370, 540916)]