1990349.00000000

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 99852480

約数和(自身を除く): 64964718

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 59, 63, 78, 91, 114, 117, 118, 126, 133, 171, 177, 182, 234, 247, 266, 273, 342, 354, 361, 399, 413, 494, 531, 546, 722, 741, 767, 798, 819, 826, 1062, 1083, 1121, 1197, 1239, 1482, 1534, 1638, 1729, 2166, 2223, 2242, 2301, 2394, 2478, 2527, 3249, 3363, 3458, 3717, 4446, 4602, 4693, 5054, 5187, 5369, 6498, 6726, 6903, 7434, 7581, 7847, 9386, 10089, 10374, 10738, 13806, 14079, 14573, 15162, 15561, 15694, 16107, 20178, 21299, 22743, 23541, 28158, 29146, 31122, 32214, 32851, 42237, 42598, 43719, 45486, 47082, 48321, 63897, 65702, 70623, 84474, 87438, 96642, 98553, 102011, 127794, 131157, 141246, 149093, 191691, 197106, 204022, 262314, 276887, 295659, 298186, 306033, 383382, 447279, 553774, 591318, 612066, 830661, 894558, 918099, 1341837, 1661322, 1836198, 1938209, 2491983, 2683674, 3876418, 4983966, 5814627, 11629254, 17443881, 34887762]

約数ペア:

[(1, 34887762), (2, 17443881), (3, 11629254), (6, 5814627), (7, 4983966), (9, 3876418), (13, 2683674), (14, 2491983), (18, 1938209), (19, 1836198), (21, 1661322), (26, 1341837), (38, 918099), (39, 894558), (42, 830661), (57, 612066), (59, 591318), (63, 553774), (78, 447279), (91, 383382), (114, 306033), (117, 298186), (118, 295659), (126, 276887), (133, 262314), (171, 204022), (177, 197106), (182, 191691), (234, 149093), (247, 141246), (266, 131157), (273, 127794), (342, 102011), (354, 98553), (361, 96642), (399, 87438), (413, 84474), (494, 70623), (531, 65702), (546, 63897), (722, 48321), (741, 47082), (767, 45486), (798, 43719), (819, 42598), (826, 42237), (1062, 32851), (1083, 32214), (1121, 31122), (1197, 29146), (1239, 28158), (1482, 23541), (1534, 22743), (1638, 21299), (1729, 20178), (2166, 16107), (2223, 15694), (2242, 15561), (2301, 15162), (2394, 14573), (2478, 14079), (2527, 13806), (3249, 10738), (3363, 10374), (3458, 10089), (3717, 9386), (4446, 7847), (4602, 7581), (4693, 7434), (5054, 6903), (5187, 6726), (5369, 6498)]