228280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 554400

約数和(自身を除く): 326120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 439, 520, 878, 1756, 2195, 3512, 4390, 5707, 8780, 11414, 17560, 22828, 28535, 45656, 57070, 114140, 228280]

約数ペア:

[(1, 228280), (2, 114140), (4, 57070), (5, 45656), (8, 28535), (10, 22828), (13, 17560), (20, 11414), (26, 8780), (40, 5707), (52, 4390), (65, 3512), (104, 2195), (130, 1756), (260, 878), (439, 520)]