2019989608

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 4790016000

約数和(自身を除く): 2770026392

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 131, 182, 236, 262, 359, 364, 413, 472, 524, 718, 728, 767, 826, 917, 1048, 1436, 1534, 1652, 1703, 1834, 2513, 2872, 3068, 3304, 3406, 3668, 4667, 5026, 5369, 6136, 6812, 7336, 7729, 9334, 10052, 10738, 11921, 13624, 15458, 18668, 20104, 21181, 21476, 23842, 30916, 32669, 37336, 42362, 42952, 47029, 47684, 54103, 61832, 65338, 84724, 94058, 95368, 100477, 108206, 130676, 148267, 169448, 188116, 200954, 216412, 261352, 275353, 296534, 329203, 376232, 401908, 432824, 550706, 593068, 611377, 658406, 703339, 803816, 1101412, 1186136, 1222754, 1316812, 1406678, 1927471, 2202824, 2445508, 2633624, 2774711, 2813356, 3854942, 4279639, 4891016, 5549422, 5626712, 7709884, 8559278, 11098844, 15419768, 17118556, 19422977, 22197688, 34237112, 36071243, 38845954, 72142486, 77691908, 144284972, 155383816, 252498701, 288569944, 504997402, 1009994804, 2019989608]

約数ペア:

[(1, 2019989608), (2, 1009994804), (4, 504997402), (7, 288569944), (8, 252498701), (13, 155383816), (14, 144284972), (26, 77691908), (28, 72142486), (52, 38845954), (56, 36071243), (59, 34237112), (91, 22197688), (104, 19422977), (118, 17118556), (131, 15419768), (182, 11098844), (236, 8559278), (262, 7709884), (359, 5626712), (364, 5549422), (413, 4891016), (472, 4279639), (524, 3854942), (718, 2813356), (728, 2774711), (767, 2633624), (826, 2445508), (917, 2202824), (1048, 1927471), (1436, 1406678), (1534, 1316812), (1652, 1222754), (1703, 1186136), (1834, 1101412), (2513, 803816), (2872, 703339), (3068, 658406), (3304, 611377), (3406, 593068), (3668, 550706), (4667, 432824), (5026, 401908), (5369, 376232), (6136, 329203), (6812, 296534), (7336, 275353), (7729, 261352), (9334, 216412), (10052, 200954), (10738, 188116), (11921, 169448), (13624, 148267), (15458, 130676), (18668, 108206), (20104, 100477), (21181, 95368), (21476, 94058), (23842, 84724), (30916, 65338), (32669, 61832), (37336, 54103), (42362, 47684), (42952, 47029)]