90143260

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 192798144

約数和(自身を除く): 102654884

約数列:

[1, 2, 4, 5, 10, 20, 137, 167, 197, 274, 334, 394, 548, 668, 685, 788, 835, 985, 1370, 1670, 1970, 2740, 3340, 3940, 22879, 26989, 32899, 45758, 53978, 65798, 91516, 107956, 114395, 131596, 134945, 164495, 228790, 269890, 328990, 457580, 539780, 657980, 4507163, 9014326, 18028652, 22535815, 45071630, 90143260]

約数ペア:

[(1, 90143260), (2, 45071630), (4, 22535815), (5, 18028652), (10, 9014326), (20, 4507163), (137, 657980), (167, 539780), (197, 457580), (274, 328990), (334, 269890), (394, 228790), (548, 164495), (668, 134945), (685, 131596), (788, 114395), (835, 107956), (985, 91516), (1370, 65798), (1670, 53978), (1970, 45758), (2740, 32899), (3340, 26989), (3940, 22879)]