1878391060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 192

約数和(自身を含む): 5066772480

約数和(自身を除く): 3188381420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 169, 182, 197, 217, 260, 310, 338, 364, 394, 403, 434, 455, 620, 676, 788, 806, 845, 868, 910, 985, 1085, 1183, 1379, 1612, 1690, 1820, 1970, 2015, 2170, 2197, 2366, 2561, 2758, 2821, 3380, 3940, 4030, 4340, 4394, 4732, 5122, 5239, 5516, 5642, 5915, 6107, 6895, 8060, 8788, 10244, 10478, 10985, 11284, 11830, 12214, 12805, 13790, 14105, 15379, 17927, 20956, 21970, 23660, 24428, 25610, 26195, 27580, 28210, 30535, 30758, 33293, 35854, 36673, 42749, 43940, 51220, 52390, 56420, 61070, 61516, 66586, 68107, 71708, 73346, 76895, 79391, 85498, 89635, 104780, 122140, 133172, 136214, 146692, 153790, 158782, 166465, 170996, 179270, 183365, 213745, 233051, 272428, 307580, 317564, 332930, 340535, 358540, 366730, 396955, 427490, 432809, 466102, 476749, 555737, 665860, 681070, 733460, 793910, 854980, 865618, 932204, 953498, 1032083, 1111474, 1165255, 1362140, 1587820, 1731236, 1906996, 2064166, 2164045, 2222948, 2330510, 2383745, 2778685, 3029663, 4128332, 4328090, 4661020, 4767490, 5160415, 5557370, 6059326, 7224581, 8656180, 9534980, 10320830, 11114740, 12118652, 13417079, 14449162, 15148315, 20641660, 26834158, 28898324, 30296630, 36122905, 53668316, 60593260, 67085395, 72245810, 93919553, 134170790, 144491620, 187839106, 268341580, 375678212, 469597765, 939195530, 1878391060]

約数ペア:

[(1, 1878391060), (2, 939195530), (4, 469597765), (5, 375678212), (7, 268341580), (10, 187839106), (13, 144491620), (14, 134170790), (20, 93919553), (26, 72245810), (28, 67085395), (31, 60593260), (35, 53668316), (52, 36122905), (62, 30296630), (65, 28898324), (70, 26834158), (91, 20641660), (124, 15148315), (130, 14449162), (140, 13417079), (155, 12118652), (169, 11114740), (182, 10320830), (197, 9534980), (217, 8656180), (260, 7224581), (310, 6059326), (338, 5557370), (364, 5160415), (394, 4767490), (403, 4661020), (434, 4328090), (455, 4128332), (620, 3029663), (676, 2778685), (788, 2383745), (806, 2330510), (845, 2222948), (868, 2164045), (910, 2064166), (985, 1906996), (1085, 1731236), (1183, 1587820), (1379, 1362140), (1612, 1165255), (1690, 1111474), (1820, 1032083), (1970, 953498), (2015, 932204), (2170, 865618), (2197, 854980), (2366, 793910), (2561, 733460), (2758, 681070), (2821, 665860), (3380, 555737), (3940, 476749), (4030, 466102), (4340, 432809), (4394, 427490), (4732, 396955), (5122, 366730), (5239, 358540), (5516, 340535), (5642, 332930), (5915, 317564), (6107, 307580), (6895, 272428), (8060, 233051), (8788, 213745), (10244, 183365), (10478, 179270), (10985, 170996), (11284, 166465), (11830, 158782), (12214, 153790), (12805, 146692), (13790, 136214), (14105, 133172), (15379, 122140), (17927, 104780), (20956, 89635), (21970, 85498), (23660, 79391), (24428, 76895), (25610, 73346), (26195, 71708), (27580, 68107), (28210, 66586), (30535, 61516), (30758, 61070), (33293, 56420), (35854, 52390), (36673, 51220), (42749, 43940)]