219699760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{392321}}^1$

素因数の和:392341

約数の個数: 40

約数和(自身を含む): 583775136

約数和(自身を除く): 364075376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 392321, 784642, 1569284, 1961605, 2746247, 3138568, 3923210, 5492494, 6277136, 7846420, 10984988, 13731235, 15692840, 21969976, 27462470, 31385680, 43939952, 54924940, 109849880, 219699760]

約数ペア:

[(1, 219699760), (2, 109849880), (4, 54924940), (5, 43939952), (7, 31385680), (8, 27462470), (10, 21969976), (14, 15692840), (16, 13731235), (20, 10984988), (28, 7846420), (35, 6277136), (40, 5492494), (56, 3923210), (70, 3138568), (80, 2746247), (112, 1961605), (140, 1569284), (280, 784642), (560, 392321)]