625956681025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 898388124480

約数和(自身を除く): 272431443455

約数列:

[1, 5, 13, 19, 25, 65, 95, 131, 139, 247, 293, 325, 361, 475, 655, 695, 1235, 1465, 1703, 1805, 1807, 2489, 2641, 3275, 3475, 3809, 4693, 5567, 6175, 7325, 8515, 9025, 9035, 12445, 13205, 18209, 19045, 23465, 27835, 32357, 34333, 38383, 40727, 42575, 45175, 47291, 50179, 62225, 66025, 72371, 91045, 95225, 105773, 117325, 139175, 161785, 171665, 191915, 203635, 236455, 236717, 250895, 345971, 361855, 455225, 498979, 528865, 529451, 614783, 652327, 729277, 773813, 808925, 858325, 959575, 1018175, 1182275, 1183585, 1254475, 1375049, 1729855, 1809275, 2494895, 2644325, 2647255, 3073915, 3261635, 3646385, 3869065, 4497623, 5335237, 5917925, 6573449, 6875245, 8649275, 9480601, 10059569, 12474475, 13236275, 13856263, 14702447, 15369575, 16308175, 18231925, 19345325, 22488115, 26676185, 32867245, 34376225, 47403005, 50297845, 69281315, 69358081, 73512235, 85454837, 101369503, 112440575, 133380925, 164336225, 180131419, 191131811, 237015025, 251489225, 346406575, 346790405, 367561175, 427274185, 506847515, 900657095, 955659055, 1317803539, 1733952025, 1926020557, 2136370925, 2534237575, 4503285475, 4778295275, 6589017695, 9630102785, 25038267241, 32945088475, 48150513925, 125191336205, 625956681025]

約数ペア:

[(1, 625956681025), (5, 125191336205), (13, 48150513925), (19, 32945088475), (25, 25038267241), (65, 9630102785), (95, 6589017695), (131, 4778295275), (139, 4503285475), (247, 2534237575), (293, 2136370925), (325, 1926020557), (361, 1733952025), (475, 1317803539), (655, 955659055), (695, 900657095), (1235, 506847515), (1465, 427274185), (1703, 367561175), (1805, 346790405), (1807, 346406575), (2489, 251489225), (2641, 237015025), (3275, 191131811), (3475, 180131419), (3809, 164336225), (4693, 133380925), (5567, 112440575), (6175, 101369503), (7325, 85454837), (8515, 73512235), (9025, 69358081), (9035, 69281315), (12445, 50297845), (13205, 47403005), (18209, 34376225), (19045, 32867245), (23465, 26676185), (27835, 22488115), (32357, 19345325), (34333, 18231925), (38383, 16308175), (40727, 15369575), (42575, 14702447), (45175, 13856263), (47291, 13236275), (50179, 12474475), (62225, 10059569), (66025, 9480601), (72371, 8649275), (91045, 6875245), (95225, 6573449), (105773, 5917925), (117325, 5335237), (139175, 4497623), (161785, 3869065), (171665, 3646385), (191915, 3261635), (203635, 3073915), (236455, 2647255), (236717, 2644325), (250895, 2494895), (345971, 1809275), (361855, 1729855), (455225, 1375049), (498979, 1254475), (528865, 1183585), (529451, 1182275), (614783, 1018175), (652327, 959575), (729277, 858325), (773813, 808925)]