204493180

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{239}}^2$

素因数の和:666

約数の個数: 36

約数和(自身を含む): 433649160

約数和(自身を除く): 229155980

約数列:

[1, 2, 4, 5, 10, 20, 179, 239, 358, 478, 716, 895, 956, 1195, 1790, 2390, 3580, 4780, 42781, 57121, 85562, 114242, 171124, 213905, 228484, 285605, 427810, 571210, 855620, 1142420, 10224659, 20449318, 40898636, 51123295, 102246590, 204493180]

約数ペア:

[(1, 204493180), (2, 102246590), (4, 51123295), (5, 40898636), (10, 20449318), (20, 10224659), (179, 1142420), (239, 855620), (358, 571210), (478, 427810), (716, 285605), (895, 228484), (956, 213905), (1195, 171124), (1790, 114242), (2390, 85562), (3580, 57121), (4780, 42781)]