420668248

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 1069770240

約数和(自身を除く): 649101992

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 131, 143, 154, 182, 262, 286, 308, 364, 401, 524, 572, 616, 728, 802, 917, 1001, 1048, 1144, 1441, 1604, 1703, 1834, 2002, 2807, 2882, 3208, 3406, 3668, 4004, 4411, 5213, 5614, 5764, 6812, 7336, 8008, 8822, 10087, 10426, 11228, 11528, 11921, 13624, 17644, 18733, 20174, 20852, 22456, 23842, 30877, 35288, 36491, 37466, 40348, 41704, 47684, 52531, 57343, 61754, 72982, 74932, 80696, 95368, 105062, 114686, 123508, 131131, 145964, 149864, 210124, 229372, 247016, 262262, 291928, 367717, 401401, 420248, 458744, 524524, 577841, 682903, 735434, 802802, 1049048, 1155682, 1365806, 1470868, 1605604, 2311364, 2731612, 2941736, 3211208, 4044887, 4622728, 4780321, 5463224, 7511933, 8089774, 9560642, 15023866, 16179548, 19121284, 30047732, 32359096, 38242568, 52583531, 60095464, 105167062, 210334124, 420668248]

約数ペア:

[(1, 420668248), (2, 210334124), (4, 105167062), (7, 60095464), (8, 52583531), (11, 38242568), (13, 32359096), (14, 30047732), (22, 19121284), (26, 16179548), (28, 15023866), (44, 9560642), (52, 8089774), (56, 7511933), (77, 5463224), (88, 4780321), (91, 4622728), (104, 4044887), (131, 3211208), (143, 2941736), (154, 2731612), (182, 2311364), (262, 1605604), (286, 1470868), (308, 1365806), (364, 1155682), (401, 1049048), (524, 802802), (572, 735434), (616, 682903), (728, 577841), (802, 524524), (917, 458744), (1001, 420248), (1048, 401401), (1144, 367717), (1441, 291928), (1604, 262262), (1703, 247016), (1834, 229372), (2002, 210124), (2807, 149864), (2882, 145964), (3208, 131131), (3406, 123508), (3668, 114686), (4004, 105062), (4411, 95368), (5213, 80696), (5614, 74932), (5764, 72982), (6812, 61754), (7336, 57343), (8008, 52531), (8822, 47684), (10087, 41704), (10426, 40348), (11228, 37466), (11528, 36491), (11921, 35288), (13624, 30877), (17644, 23842), (18733, 22456), (20174, 20852)]