197212440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 609638400

約数和(自身を除く): 412425960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 79, 120, 142, 158, 213, 237, 284, 293, 316, 355, 395, 426, 474, 568, 586, 632, 710, 790, 852, 879, 948, 1065, 1172, 1185, 1420, 1465, 1580, 1704, 1758, 1896, 2130, 2344, 2370, 2840, 2930, 3160, 3516, 4260, 4395, 4740, 5609, 5860, 7032, 8520, 8790, 9480, 11218, 11720, 16827, 17580, 20803, 22436, 23147, 28045, 33654, 35160, 41606, 44872, 46294, 56090, 62409, 67308, 69441, 83212, 84135, 92588, 104015, 112180, 115735, 124818, 134616, 138882, 166424, 168270, 185176, 208030, 224360, 231470, 249636, 277764, 312045, 336540, 347205, 416060, 462940, 499272, 555528, 624090, 673080, 694410, 832120, 925880, 1248180, 1388820, 1643437, 2496360, 2777640, 3286874, 4930311, 6573748, 8217185, 9860622, 13147496, 16434370, 19721244, 24651555, 32868740, 39442488, 49303110, 65737480, 98606220, 197212440]

約数ペア:

[(1, 197212440), (2, 98606220), (3, 65737480), (4, 49303110), (5, 39442488), (6, 32868740), (8, 24651555), (10, 19721244), (12, 16434370), (15, 13147496), (20, 9860622), (24, 8217185), (30, 6573748), (40, 4930311), (60, 3286874), (71, 2777640), (79, 2496360), (120, 1643437), (142, 1388820), (158, 1248180), (213, 925880), (237, 832120), (284, 694410), (293, 673080), (316, 624090), (355, 555528), (395, 499272), (426, 462940), (474, 416060), (568, 347205), (586, 336540), (632, 312045), (710, 277764), (790, 249636), (852, 231470), (879, 224360), (948, 208030), (1065, 185176), (1172, 168270), (1185, 166424), (1420, 138882), (1465, 134616), (1580, 124818), (1704, 115735), (1758, 112180), (1896, 104015), (2130, 92588), (2344, 84135), (2370, 83212), (2840, 69441), (2930, 67308), (3160, 62409), (3516, 56090), (4260, 46294), (4395, 44872), (4740, 41606), (5609, 35160), (5860, 33654), (7032, 28045), (8520, 23147), (8790, 22436), (9480, 20803), (11218, 17580), (11720, 16827)]