20180241340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{2239}}^1$

素因数の和:2820

約数の個数: 144

約数和(自身を含む): 52317135360

約数和(自身を除く): 32136894020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 541, 595, 833, 980, 1082, 1190, 1666, 2164, 2239, 2380, 2705, 3332, 3787, 4165, 4478, 5410, 7574, 8330, 8956, 9197, 10820, 11195, 15148, 15673, 16660, 18394, 18935, 22390, 26509, 31346, 36788, 37870, 38063, 44780, 45985, 53018, 62692, 64379, 75740, 76126, 78365, 91970, 106036, 109711, 128758, 132545, 152252, 156730, 183940, 190315, 219422, 257516, 265090, 266441, 313460, 321895, 380630, 438844, 450653, 530180, 532882, 548555, 643790, 761260, 901306, 1065764, 1097110, 1211299, 1287580, 1332205, 1802612, 1865087, 2194220, 2253265, 2422598, 2664410, 3730174, 4506530, 4845196, 5328820, 6056495, 7460348, 8479093, 9013060, 9325435, 12112990, 16958186, 18650870, 20592083, 24225980, 33916372, 37301740, 41184166, 42395465, 59353651, 82368332, 84790930, 102960415, 118707302, 144144581, 169581860, 205920830, 237414604, 288289162, 296768255, 411841660, 576578324, 593536510, 720722905, 1009012067, 1187073020, 1441445810, 2018024134, 2882891620, 4036048268, 5045060335, 10090120670, 20180241340]

約数ペア:

[(1, 20180241340), (2, 10090120670), (4, 5045060335), (5, 4036048268), (7, 2882891620), (10, 2018024134), (14, 1441445810), (17, 1187073020), (20, 1009012067), (28, 720722905), (34, 593536510), (35, 576578324), (49, 411841660), (68, 296768255), (70, 288289162), (85, 237414604), (98, 205920830), (119, 169581860), (140, 144144581), (170, 118707302), (196, 102960415), (238, 84790930), (245, 82368332), (340, 59353651), (476, 42395465), (490, 41184166), (541, 37301740), (595, 33916372), (833, 24225980), (980, 20592083), (1082, 18650870), (1190, 16958186), (1666, 12112990), (2164, 9325435), (2239, 9013060), (2380, 8479093), (2705, 7460348), (3332, 6056495), (3787, 5328820), (4165, 4845196), (4478, 4506530), (5410, 3730174), (7574, 2664410), (8330, 2422598), (8956, 2253265), (9197, 2194220), (10820, 1865087), (11195, 1802612), (15148, 1332205), (15673, 1287580), (16660, 1211299), (18394, 1097110), (18935, 1065764), (22390, 901306), (26509, 761260), (31346, 643790), (36788, 548555), (37870, 532882), (38063, 530180), (44780, 450653), (45985, 438844), (53018, 380630), (62692, 321895), (64379, 313460), (75740, 266441), (76126, 265090), (78365, 257516), (91970, 219422), (106036, 190315), (109711, 183940), (128758, 156730), (132545, 152252)]