109392800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 144

約数和(自身を含む): 301480704

約数和(自身を除く): 192087904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 160, 176, 200, 220, 248, 275, 310, 341, 352, 400, 401, 440, 496, 550, 620, 682, 775, 800, 802, 880, 992, 1100, 1240, 1364, 1550, 1604, 1705, 1760, 2005, 2200, 2480, 2728, 3100, 3208, 3410, 4010, 4400, 4411, 4960, 5456, 6200, 6416, 6820, 8020, 8525, 8800, 8822, 10025, 10912, 12400, 12431, 12832, 13640, 16040, 17050, 17644, 20050, 22055, 24800, 24862, 27280, 32080, 34100, 35288, 40100, 44110, 49724, 54560, 62155, 64160, 68200, 70576, 80200, 88220, 99448, 110275, 124310, 136400, 136741, 141152, 160400, 176440, 198896, 220550, 248620, 272800, 273482, 310775, 320800, 352880, 397792, 441100, 497240, 546964, 621550, 683705, 705760, 882200, 994480, 1093928, 1243100, 1367410, 1764400, 1988960, 2187856, 2486200, 2734820, 3418525, 3528800, 4375712, 4972400, 5469640, 6837050, 9944800, 10939280, 13674100, 21878560, 27348200, 54696400, 109392800]

約数ペア:

[(1, 109392800), (2, 54696400), (4, 27348200), (5, 21878560), (8, 13674100), (10, 10939280), (11, 9944800), (16, 6837050), (20, 5469640), (22, 4972400), (25, 4375712), (31, 3528800), (32, 3418525), (40, 2734820), (44, 2486200), (50, 2187856), (55, 1988960), (62, 1764400), (80, 1367410), (88, 1243100), (100, 1093928), (110, 994480), (124, 882200), (155, 705760), (160, 683705), (176, 621550), (200, 546964), (220, 497240), (248, 441100), (275, 397792), (310, 352880), (341, 320800), (352, 310775), (400, 273482), (401, 272800), (440, 248620), (496, 220550), (550, 198896), (620, 176440), (682, 160400), (775, 141152), (800, 136741), (802, 136400), (880, 124310), (992, 110275), (1100, 99448), (1240, 88220), (1364, 80200), (1550, 70576), (1604, 68200), (1705, 64160), (1760, 62155), (2005, 54560), (2200, 49724), (2480, 44110), (2728, 40100), (3100, 35288), (3208, 34100), (3410, 32080), (4010, 27280), (4400, 24862), (4411, 24800), (4960, 22055), (5456, 20050), (6200, 17644), (6416, 17050), (6820, 16040), (8020, 13640), (8525, 12832), (8800, 12431), (8822, 12400), (10025, 10912)]