196920990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3361}}^1$

素因数の和:3415

約数の個数: 128

約数和(自身を含む): 619683840

約数和(自身を除く): 422762850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3361, 3906, 4185, 5859, 6510, 6722, 8370, 9765, 10083, 11718, 16805, 19530, 20166, 23527, 29295, 30249, 33610, 47054, 50415, 58590, 60498, 70581, 90747, 100830, 104191, 117635, 141162, 151245, 181494, 208382, 211743, 235270, 302490, 312573, 352905, 423486, 453735, 520955, 625146, 635229, 705810, 729337, 907470, 937719, 1041910, 1058715, 1270458, 1458674, 1562865, 1875438, 2117430, 2188011, 2813157, 3125730, 3176145, 3646685, 4376022, 4688595, 5626314, 6352290, 6564033, 7293370, 9377190, 10940055, 13128066, 14065785, 19692099, 21880110, 28131570, 32820165, 39384198, 65640330, 98460495, 196920990]

約数ペア:

[(1, 196920990), (2, 98460495), (3, 65640330), (5, 39384198), (6, 32820165), (7, 28131570), (9, 21880110), (10, 19692099), (14, 14065785), (15, 13128066), (18, 10940055), (21, 9377190), (27, 7293370), (30, 6564033), (31, 6352290), (35, 5626314), (42, 4688595), (45, 4376022), (54, 3646685), (62, 3176145), (63, 3125730), (70, 2813157), (90, 2188011), (93, 2117430), (105, 1875438), (126, 1562865), (135, 1458674), (155, 1270458), (186, 1058715), (189, 1041910), (210, 937719), (217, 907470), (270, 729337), (279, 705810), (310, 635229), (315, 625146), (378, 520955), (434, 453735), (465, 423486), (558, 352905), (630, 312573), (651, 302490), (837, 235270), (930, 211743), (945, 208382), (1085, 181494), (1302, 151245), (1395, 141162), (1674, 117635), (1890, 104191), (1953, 100830), (2170, 90747), (2790, 70581), (3255, 60498), (3361, 58590), (3906, 50415), (4185, 47054), (5859, 33610), (6510, 30249), (6722, 29295), (8370, 23527), (9765, 20166), (10083, 19530), (11718, 16805)]