140089880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{500321}}^1$

素因数の和:500339

約数の個数: 32

約数和(自身を含む): 360231840

約数和(自身を除く): 220141960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 500321, 1000642, 2001284, 2501605, 3502247, 4002568, 5003210, 7004494, 10006420, 14008988, 17511235, 20012840, 28017976, 35022470, 70044940, 140089880]

約数ペア:

[(1, 140089880), (2, 70044940), (4, 35022470), (5, 28017976), (7, 20012840), (8, 17511235), (10, 14008988), (14, 10006420), (20, 7004494), (28, 5003210), (35, 4002568), (40, 3502247), (56, 2501605), (70, 2001284), (140, 1000642), (280, 500321)]