201428220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 662352768

約数和(自身を除く): 460924548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 131, 140, 147, 196, 210, 245, 262, 294, 393, 420, 490, 523, 524, 588, 655, 735, 786, 917, 980, 1046, 1310, 1470, 1569, 1572, 1834, 1965, 2092, 2615, 2620, 2751, 2940, 3138, 3661, 3668, 3930, 4585, 5230, 5502, 6276, 6419, 7322, 7845, 7860, 9170, 10460, 10983, 11004, 12838, 13755, 14644, 15690, 18305, 18340, 19257, 21966, 25627, 25676, 27510, 31380, 32095, 36610, 38514, 43932, 51254, 54915, 55020, 64190, 68513, 73220, 76881, 77028, 96285, 102508, 109830, 128135, 128380, 137026, 153762, 192570, 205539, 219660, 256270, 274052, 307524, 342565, 384405, 385140, 411078, 479591, 512540, 685130, 768810, 822156, 959182, 1027695, 1370260, 1438773, 1537620, 1918364, 2055390, 2397955, 2877546, 3357137, 4110780, 4795910, 5755092, 6714274, 7193865, 9591820, 10071411, 13428548, 14387730, 16785685, 20142822, 28775460, 33571370, 40285644, 50357055, 67142740, 100714110, 201428220]

約数ペア:

[(1, 201428220), (2, 100714110), (3, 67142740), (4, 50357055), (5, 40285644), (6, 33571370), (7, 28775460), (10, 20142822), (12, 16785685), (14, 14387730), (15, 13428548), (20, 10071411), (21, 9591820), (28, 7193865), (30, 6714274), (35, 5755092), (42, 4795910), (49, 4110780), (60, 3357137), (70, 2877546), (84, 2397955), (98, 2055390), (105, 1918364), (131, 1537620), (140, 1438773), (147, 1370260), (196, 1027695), (210, 959182), (245, 822156), (262, 768810), (294, 685130), (393, 512540), (420, 479591), (490, 411078), (523, 385140), (524, 384405), (588, 342565), (655, 307524), (735, 274052), (786, 256270), (917, 219660), (980, 205539), (1046, 192570), (1310, 153762), (1470, 137026), (1569, 128380), (1572, 128135), (1834, 109830), (1965, 102508), (2092, 96285), (2615, 77028), (2620, 76881), (2751, 73220), (2940, 68513), (3138, 64190), (3661, 55020), (3668, 54915), (3930, 51254), (4585, 43932), (5230, 38514), (5502, 36610), (6276, 32095), (6419, 31380), (7322, 27510), (7845, 25676), (7860, 25627), (9170, 21966), (10460, 19257), (10983, 18340), (11004, 18305), (12838, 15690), (13755, 14644)]