1990840236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{10937}}^1$

素因数の和:11159

約数の個数: 96

約数和(自身を含む): 5821466112

約数和(自身を除く): 3830625876

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 197, 231, 308, 394, 462, 591, 788, 924, 1182, 1379, 2167, 2364, 2758, 4137, 4334, 5516, 6501, 8274, 8668, 10937, 13002, 15169, 16548, 21874, 26004, 30338, 32811, 43748, 45507, 60676, 65622, 76559, 91014, 120307, 131244, 153118, 182028, 229677, 240614, 306236, 360921, 459354, 481228, 721842, 842149, 918708, 1443684, 1684298, 2154589, 2526447, 3368596, 4309178, 5052894, 6463767, 8618356, 10105788, 12927534, 15082123, 23700479, 25855068, 30164246, 45246369, 47400958, 60328492, 71101437, 90492738, 94801916, 142202874, 165903353, 180985476, 284405748, 331806706, 497710059, 663613412, 995420118, 1990840236]

約数ペア:

[(1, 1990840236), (2, 995420118), (3, 663613412), (4, 497710059), (6, 331806706), (7, 284405748), (11, 180985476), (12, 165903353), (14, 142202874), (21, 94801916), (22, 90492738), (28, 71101437), (33, 60328492), (42, 47400958), (44, 45246369), (66, 30164246), (77, 25855068), (84, 23700479), (132, 15082123), (154, 12927534), (197, 10105788), (231, 8618356), (308, 6463767), (394, 5052894), (462, 4309178), (591, 3368596), (788, 2526447), (924, 2154589), (1182, 1684298), (1379, 1443684), (2167, 918708), (2364, 842149), (2758, 721842), (4137, 481228), (4334, 459354), (5516, 360921), (6501, 306236), (8274, 240614), (8668, 229677), (10937, 182028), (13002, 153118), (15169, 131244), (16548, 120307), (21874, 91014), (26004, 76559), (30338, 65622), (32811, 60676), (43748, 45507)]