19712700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^2\times {\mathrm{149}}^1$

素因数の和:186

約数の個数: 216

約数和(自身を含む): 74214000

約数和(自身を除く): 54501300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 54, 60, 63, 70, 75, 84, 90, 98, 100, 105, 108, 126, 135, 140, 147, 149, 150, 175, 180, 189, 196, 210, 225, 245, 252, 270, 294, 298, 300, 315, 350, 378, 420, 441, 447, 450, 490, 525, 540, 588, 596, 630, 675, 700, 735, 745, 756, 882, 894, 900, 945, 980, 1043, 1050, 1225, 1260, 1323, 1341, 1350, 1470, 1490, 1575, 1764, 1788, 1890, 2086, 2100, 2205, 2235, 2450, 2646, 2682, 2700, 2940, 2980, 3129, 3150, 3675, 3725, 3780, 4023, 4172, 4410, 4470, 4725, 4900, 5215, 5292, 5364, 6258, 6300, 6615, 6705, 7301, 7350, 7450, 8046, 8820, 8940, 9387, 9450, 10430, 11025, 11175, 12516, 13230, 13410, 14602, 14700, 14900, 15645, 16092, 18774, 18900, 20115, 20860, 21903, 22050, 22350, 26075, 26460, 26820, 28161, 29204, 31290, 33075, 33525, 36505, 37548, 40230, 43806, 44100, 44700, 46935, 52150, 56322, 62580, 65709, 66150, 67050, 73010, 78225, 80460, 87612, 93870, 100575, 104300, 109515, 112644, 131418, 132300, 134100, 140805, 146020, 156450, 182525, 187740, 197127, 201150, 219030, 234675, 262836, 281610, 312900, 328545, 365050, 394254, 402300, 438060, 469350, 547575, 563220, 657090, 704025, 730100, 788508, 938700, 985635, 1095150, 1314180, 1408050, 1642725, 1971270, 2190300, 2816100, 3285450, 3942540, 4928175, 6570900, 9856350, 19712700]

約数ペア:

[(1, 19712700), (2, 9856350), (3, 6570900), (4, 4928175), (5, 3942540), (6, 3285450), (7, 2816100), (9, 2190300), (10, 1971270), (12, 1642725), (14, 1408050), (15, 1314180), (18, 1095150), (20, 985635), (21, 938700), (25, 788508), (27, 730100), (28, 704025), (30, 657090), (35, 563220), (36, 547575), (42, 469350), (45, 438060), (49, 402300), (50, 394254), (54, 365050), (60, 328545), (63, 312900), (70, 281610), (75, 262836), (84, 234675), (90, 219030), (98, 201150), (100, 197127), (105, 187740), (108, 182525), (126, 156450), (135, 146020), (140, 140805), (147, 134100), (149, 132300), (150, 131418), (175, 112644), (180, 109515), (189, 104300), (196, 100575), (210, 93870), (225, 87612), (245, 80460), (252, 78225), (270, 73010), (294, 67050), (298, 66150), (300, 65709), (315, 62580), (350, 56322), (378, 52150), (420, 46935), (441, 44700), (447, 44100), (450, 43806), (490, 40230), (525, 37548), (540, 36505), (588, 33525), (596, 33075), (630, 31290), (675, 29204), (700, 28161), (735, 26820), (745, 26460), (756, 26075), (882, 22350), (894, 22050), (900, 21903), (945, 20860), (980, 20115), (1043, 18900), (1050, 18774), (1225, 16092), (1260, 15645), (1323, 14900), (1341, 14700), (1350, 14602), (1470, 13410), (1490, 13230), (1575, 12516), (1764, 11175), (1788, 11025), (1890, 10430), (2086, 9450), (2100, 9387), (2205, 8940), (2235, 8820), (2450, 8046), (2646, 7450), (2682, 7350), (2700, 7301), (2940, 6705), (2980, 6615), (3129, 6300), (3150, 6258), (3675, 5364), (3725, 5292), (3780, 5215), (4023, 4900), (4172, 4725), (4410, 4470)]