219746320

素因数分解:

$2^4\times 5^1\times {\mathrm{2746829}}^1$

素因数の和:2746842

約数の個数: 20

約数和(自身を含む): 510910380

約数和(自身を除く): 291164060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2746829, 5493658, 10987316, 13734145, 21974632, 27468290, 43949264, 54936580, 109873160, 219746320]

約数ペア:

[(1, 219746320), (2, 109873160), (4, 54936580), (5, 43949264), (8, 27468290), (10, 21974632), (16, 13734145), (20, 10987316), (40, 5493658), (80, 2746829)]