228456280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439339}}^1$

素因数の和:439363

約数の個数: 32

約数和(自身を含む): 553568400

約数和(自身を除く): 325112120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 439339, 878678, 1757356, 2196695, 3514712, 4393390, 5711407, 8786780, 11422814, 17573560, 22845628, 28557035, 45691256, 57114070, 114228140, 228456280]

約数ペア:

[(1, 228456280), (2, 114228140), (4, 57114070), (5, 45691256), (8, 28557035), (10, 22845628), (13, 17573560), (20, 11422814), (26, 8786780), (40, 5711407), (52, 4393390), (65, 3514712), (104, 2196695), (130, 1757356), (260, 878678), (520, 439339)]