28773080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102761}}^1$

素因数の和:102779

約数の個数: 32

約数和(自身を含む): 73988640

約数和(自身を除く): 45215560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102761, 205522, 411044, 513805, 719327, 822088, 1027610, 1438654, 2055220, 2877308, 3596635, 4110440, 5754616, 7193270, 14386540, 28773080]

約数ペア:

[(1, 28773080), (2, 14386540), (4, 7193270), (5, 5754616), (7, 4110440), (8, 3596635), (10, 2877308), (14, 2055220), (20, 1438654), (28, 1027610), (35, 822088), (40, 719327), (56, 513805), (70, 411044), (140, 205522), (280, 102761)]