28538500480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{9907}}^1$

素因数の和:10576

約数の個数: 128

約数和(自身を含む): 78100404480

約数和(自身を除く): 49561904000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 643, 896, 1120, 1286, 2240, 2572, 3215, 4480, 4501, 5144, 6430, 9002, 9907, 10288, 12860, 18004, 19814, 20576, 22505, 25720, 36008, 39628, 41152, 45010, 49535, 51440, 69349, 72016, 79256, 82304, 90020, 99070, 102880, 138698, 144032, 158512, 180040, 198140, 205760, 277396, 288064, 317024, 346745, 360080, 396280, 411520, 554792, 576128, 634048, 693490, 720160, 792560, 1109584, 1268096, 1386980, 1440320, 1585120, 2219168, 2773960, 2880640, 3170240, 4438336, 5547920, 6340480, 6370201, 8876672, 11095840, 12740402, 22191680, 25480804, 31851005, 44383360, 44591407, 50961608, 63702010, 89182814, 101923216, 127404020, 178365628, 203846432, 222957035, 254808040, 356731256, 407692864, 445914070, 509616080, 713462512, 815385728, 891828140, 1019232160, 1426925024, 1783656280, 2038464320, 2853850048, 3567312560, 4076928640, 5707700096, 7134625120, 14269250240, 28538500480]

約数ペア:

[(1, 28538500480), (2, 14269250240), (4, 7134625120), (5, 5707700096), (7, 4076928640), (8, 3567312560), (10, 2853850048), (14, 2038464320), (16, 1783656280), (20, 1426925024), (28, 1019232160), (32, 891828140), (35, 815385728), (40, 713462512), (56, 509616080), (64, 445914070), (70, 407692864), (80, 356731256), (112, 254808040), (128, 222957035), (140, 203846432), (160, 178365628), (224, 127404020), (280, 101923216), (320, 89182814), (448, 63702010), (560, 50961608), (640, 44591407), (643, 44383360), (896, 31851005), (1120, 25480804), (1286, 22191680), (2240, 12740402), (2572, 11095840), (3215, 8876672), (4480, 6370201), (4501, 6340480), (5144, 5547920), (6430, 4438336), (9002, 3170240), (9907, 2880640), (10288, 2773960), (12860, 2219168), (18004, 1585120), (19814, 1440320), (20576, 1386980), (22505, 1268096), (25720, 1109584), (36008, 792560), (39628, 720160), (41152, 693490), (45010, 634048), (49535, 576128), (51440, 554792), (69349, 411520), (72016, 396280), (79256, 360080), (82304, 346745), (90020, 317024), (99070, 288064), (102880, 277396), (138698, 205760), (144032, 198140), (158512, 180040)]