217143780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{27211}}^1$

素因数の和:27249

約数の個数: 96

約数和(自身を含む): 731458560

約数和(自身を除く): 514314780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 27211, 54422, 81633, 108844, 136055, 163266, 190477, 272110, 326532, 380954, 408165, 517009, 544220, 571431, 761908, 816330, 952385, 1034018, 1142862, 1551027, 1632660, 1904770, 2068036, 2285724, 2585045, 2857155, 3102054, 3619063, 3809540, 5170090, 5714310, 6204108, 7238126, 7755135, 10340180, 10857189, 11428620, 14476252, 15510270, 18095315, 21714378, 31020540, 36190630, 43428756, 54285945, 72381260, 108571890, 217143780]

約数ペア:

[(1, 217143780), (2, 108571890), (3, 72381260), (4, 54285945), (5, 43428756), (6, 36190630), (7, 31020540), (10, 21714378), (12, 18095315), (14, 15510270), (15, 14476252), (19, 11428620), (20, 10857189), (21, 10340180), (28, 7755135), (30, 7238126), (35, 6204108), (38, 5714310), (42, 5170090), (57, 3809540), (60, 3619063), (70, 3102054), (76, 2857155), (84, 2585045), (95, 2285724), (105, 2068036), (114, 1904770), (133, 1632660), (140, 1551027), (190, 1142862), (210, 1034018), (228, 952385), (266, 816330), (285, 761908), (380, 571431), (399, 544220), (420, 517009), (532, 408165), (570, 380954), (665, 326532), (798, 272110), (1140, 190477), (1330, 163266), (1596, 136055), (1995, 108844), (2660, 81633), (3990, 54422), (7980, 27211)]