4393220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 10134768

約数和(自身を除く): 5741548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 277, 305, 554, 610, 793, 1108, 1220, 1385, 1586, 2770, 3172, 3601, 3965, 5540, 7202, 7930, 14404, 15860, 16897, 18005, 33794, 36010, 67588, 72020, 84485, 168970, 219661, 337940, 439322, 878644, 1098305, 2196610, 4393220]

約数ペア:

[(1, 4393220), (2, 2196610), (4, 1098305), (5, 878644), (10, 439322), (13, 337940), (20, 219661), (26, 168970), (52, 84485), (61, 72020), (65, 67588), (122, 36010), (130, 33794), (244, 18005), (260, 16897), (277, 15860), (305, 14404), (554, 7930), (610, 7202), (793, 5540), (1108, 3965), (1220, 3601), (1385, 3172), (1586, 2770)]