1800098000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:542

約数の個数: 160

約数和(自身を含む): 4630179840

約数和(自身を除く): 2830081840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 127, 152, 190, 200, 250, 254, 304, 373, 380, 400, 475, 500, 508, 635, 746, 760, 950, 1000, 1016, 1270, 1492, 1520, 1865, 1900, 2000, 2032, 2375, 2413, 2540, 2984, 3175, 3730, 3800, 4750, 4826, 5080, 5968, 6350, 7087, 7460, 7600, 9325, 9500, 9652, 10160, 12065, 12700, 14174, 14920, 15875, 18650, 19000, 19304, 24130, 25400, 28348, 29840, 31750, 35435, 37300, 38000, 38608, 46625, 47371, 48260, 50800, 56696, 60325, 63500, 70870, 74600, 93250, 94742, 96520, 113392, 120650, 127000, 141740, 149200, 177175, 186500, 189484, 193040, 236855, 241300, 254000, 283480, 301625, 354350, 373000, 378968, 473710, 482600, 566960, 603250, 708700, 746000, 757936, 885875, 900049, 947420, 965200, 1184275, 1206500, 1417400, 1771750, 1800098, 1894840, 2368550, 2413000, 2834800, 3543500, 3600196, 3789680, 4500245, 4737100, 4826000, 5921375, 7087000, 7200392, 9000490, 9474200, 11842750, 14174000, 14400784, 18000980, 18948400, 22501225, 23685500, 36001960, 45002450, 47371000, 72003920, 90004900, 94742000, 112506125, 180009800, 225012250, 360019600, 450024500, 900049000, 1800098000]

約数ペア:

[(1, 1800098000), (2, 900049000), (4, 450024500), (5, 360019600), (8, 225012250), (10, 180009800), (16, 112506125), (19, 94742000), (20, 90004900), (25, 72003920), (38, 47371000), (40, 45002450), (50, 36001960), (76, 23685500), (80, 22501225), (95, 18948400), (100, 18000980), (125, 14400784), (127, 14174000), (152, 11842750), (190, 9474200), (200, 9000490), (250, 7200392), (254, 7087000), (304, 5921375), (373, 4826000), (380, 4737100), (400, 4500245), (475, 3789680), (500, 3600196), (508, 3543500), (635, 2834800), (746, 2413000), (760, 2368550), (950, 1894840), (1000, 1800098), (1016, 1771750), (1270, 1417400), (1492, 1206500), (1520, 1184275), (1865, 965200), (1900, 947420), (2000, 900049), (2032, 885875), (2375, 757936), (2413, 746000), (2540, 708700), (2984, 603250), (3175, 566960), (3730, 482600), (3800, 473710), (4750, 378968), (4826, 373000), (5080, 354350), (5968, 301625), (6350, 283480), (7087, 254000), (7460, 241300), (7600, 236855), (9325, 193040), (9500, 189484), (9652, 186500), (10160, 177175), (12065, 149200), (12700, 141740), (14174, 127000), (14920, 120650), (15875, 113392), (18650, 96520), (19000, 94742), (19304, 93250), (24130, 74600), (25400, 70870), (28348, 63500), (29840, 60325), (31750, 56696), (35435, 50800), (37300, 48260), (38000, 47371), (38608, 46625)]