2050650

素因数分解:

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

素因数の和:66

約数の個数: 144

約数和(自身を含む): 6785280

約数和(自身を除く): 4734630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 31, 35, 42, 45, 49, 50, 54, 62, 63, 70, 75, 90, 93, 98, 105, 126, 135, 147, 150, 155, 175, 186, 189, 210, 217, 225, 245, 270, 279, 294, 310, 315, 350, 378, 434, 441, 450, 465, 490, 525, 558, 630, 651, 675, 735, 775, 837, 882, 930, 945, 1050, 1085, 1225, 1302, 1323, 1350, 1395, 1470, 1519, 1550, 1575, 1674, 1890, 1953, 2170, 2205, 2325, 2450, 2646, 2790, 3038, 3150, 3255, 3675, 3906, 4185, 4410, 4557, 4650, 4725, 5425, 5859, 6510, 6615, 6975, 7350, 7595, 8370, 9114, 9450, 9765, 10850, 11025, 11718, 13230, 13671, 13950, 15190, 16275, 19530, 20925, 22050, 22785, 27342, 29295, 32550, 33075, 37975, 41013, 41850, 45570, 48825, 58590, 66150, 68355, 75950, 82026, 97650, 113925, 136710, 146475, 205065, 227850, 292950, 341775, 410130, 683550, 1025325, 2050650]

約数ペア:

[(1, 2050650), (2, 1025325), (3, 683550), (5, 410130), (6, 341775), (7, 292950), (9, 227850), (10, 205065), (14, 146475), (15, 136710), (18, 113925), (21, 97650), (25, 82026), (27, 75950), (30, 68355), (31, 66150), (35, 58590), (42, 48825), (45, 45570), (49, 41850), (50, 41013), (54, 37975), (62, 33075), (63, 32550), (70, 29295), (75, 27342), (90, 22785), (93, 22050), (98, 20925), (105, 19530), (126, 16275), (135, 15190), (147, 13950), (150, 13671), (155, 13230), (175, 11718), (186, 11025), (189, 10850), (210, 9765), (217, 9450), (225, 9114), (245, 8370), (270, 7595), (279, 7350), (294, 6975), (310, 6615), (315, 6510), (350, 5859), (378, 5425), (434, 4725), (441, 4650), (450, 4557), (465, 4410), (490, 4185), (525, 3906), (558, 3675), (630, 3255), (651, 3150), (675, 3038), (735, 2790), (775, 2646), (837, 2450), (882, 2325), (930, 2205), (945, 2170), (1050, 1953), (1085, 1890), (1225, 1674), (1302, 1575), (1323, 1550), (1350, 1519), (1395, 1470)]