179421620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{55721}}^1$

素因数の和:55760

約数の個数: 48

約数和(自身を含む): 449342208

約数和(自身を除く): 269920588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 55721, 111442, 222884, 278605, 390047, 557210, 780094, 1114420, 1281583, 1560188, 1950235, 2563166, 3900470, 5126332, 6407915, 7800940, 8971081, 12815830, 17942162, 25631660, 35884324, 44855405, 89710810, 179421620]

約数ペア:

[(1, 179421620), (2, 89710810), (4, 44855405), (5, 35884324), (7, 25631660), (10, 17942162), (14, 12815830), (20, 8971081), (23, 7800940), (28, 6407915), (35, 5126332), (46, 3900470), (70, 2563166), (92, 1950235), (115, 1560188), (140, 1281583), (161, 1114420), (230, 780094), (322, 557210), (460, 390047), (644, 278605), (805, 222884), (1610, 111442), (3220, 55721)]