7718487700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2381}}^1$

素因数の和:2834

約数の個数: 144

約数和(自身を含む): 20940409728

約数和(自身を除く): 13221922028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 421, 550, 700, 770, 842, 1100, 1540, 1684, 1925, 2105, 2381, 2947, 3850, 4210, 4631, 4762, 5894, 7700, 8420, 9262, 9524, 10525, 11788, 11905, 14735, 16667, 18524, 21050, 23155, 23810, 26191, 29470, 32417, 33334, 42100, 46310, 47620, 52382, 58940, 59525, 64834, 66668, 73675, 83335, 92620, 104764, 115775, 119050, 129668, 130955, 147350, 162085, 166670, 183337, 231550, 238100, 261910, 294700, 324170, 333340, 366674, 416675, 463100, 523820, 648340, 654775, 733348, 810425, 833350, 916685, 1002401, 1309550, 1620850, 1666700, 1833370, 2004802, 2619100, 3241700, 3666740, 4009604, 4583425, 5012005, 7016807, 9166850, 10024010, 11026411, 14033614, 18333700, 20048020, 22052822, 25060025, 28067228, 35084035, 44105644, 50120050, 55132055, 70168070, 77184877, 100240100, 110264110, 140336140, 154369754, 175420175, 220528220, 275660275, 308739508, 350840350, 385924385, 551320550, 701680700, 771848770, 1102641100, 1543697540, 1929621925, 3859243850, 7718487700]

約数ペア:

[(1, 7718487700), (2, 3859243850), (4, 1929621925), (5, 1543697540), (7, 1102641100), (10, 771848770), (11, 701680700), (14, 551320550), (20, 385924385), (22, 350840350), (25, 308739508), (28, 275660275), (35, 220528220), (44, 175420175), (50, 154369754), (55, 140336140), (70, 110264110), (77, 100240100), (100, 77184877), (110, 70168070), (140, 55132055), (154, 50120050), (175, 44105644), (220, 35084035), (275, 28067228), (308, 25060025), (350, 22052822), (385, 20048020), (421, 18333700), (550, 14033614), (700, 11026411), (770, 10024010), (842, 9166850), (1100, 7016807), (1540, 5012005), (1684, 4583425), (1925, 4009604), (2105, 3666740), (2381, 3241700), (2947, 2619100), (3850, 2004802), (4210, 1833370), (4631, 1666700), (4762, 1620850), (5894, 1309550), (7700, 1002401), (8420, 916685), (9262, 833350), (9524, 810425), (10525, 733348), (11788, 654775), (11905, 648340), (14735, 523820), (16667, 463100), (18524, 416675), (21050, 366674), (23155, 333340), (23810, 324170), (26191, 294700), (29470, 261910), (32417, 238100), (33334, 231550), (42100, 183337), (46310, 166670), (47620, 162085), (52382, 147350), (58940, 130955), (59525, 129668), (64834, 119050), (66668, 115775), (73675, 104764), (83335, 92620)]