7834540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 19014912

約数和(自身を除く): 11180372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 523, 535, 749, 1046, 1070, 1498, 2092, 2140, 2615, 2996, 3661, 3745, 5230, 7322, 7490, 10460, 14644, 14980, 18305, 36610, 55961, 73220, 111922, 223844, 279805, 391727, 559610, 783454, 1119220, 1566908, 1958635, 3917270, 7834540]

約数ペア:

[(1, 7834540), (2, 3917270), (4, 1958635), (5, 1566908), (7, 1119220), (10, 783454), (14, 559610), (20, 391727), (28, 279805), (35, 223844), (70, 111922), (107, 73220), (140, 55961), (214, 36610), (428, 18305), (523, 14980), (535, 14644), (749, 10460), (1046, 7490), (1070, 7322), (1498, 5230), (2092, 3745), (2140, 3661), (2615, 2996)]