208538290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{2861}}^1$

素因数の和:3102

約数の個数: 32

約数和(自身を含む): 387606384

約数和(自身を除く): 179068094

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 370, 394, 985, 1970, 2861, 5722, 7289, 14305, 14578, 28610, 36445, 72890, 105857, 211714, 529285, 563617, 1058570, 1127234, 2818085, 5636170, 20853829, 41707658, 104269145, 208538290]

約数ペア:

[(1, 208538290), (2, 104269145), (5, 41707658), (10, 20853829), (37, 5636170), (74, 2818085), (185, 1127234), (197, 1058570), (370, 563617), (394, 529285), (985, 211714), (1970, 105857), (2861, 72890), (5722, 36445), (7289, 28610), (14305, 14578)]