7274020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 16673328

約数和(自身を除く): 9399308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 277, 404, 505, 554, 1010, 1108, 1313, 1385, 2020, 2626, 2770, 3601, 5252, 5540, 6565, 7202, 13130, 14404, 18005, 26260, 27977, 36010, 55954, 72020, 111908, 139885, 279770, 363701, 559540, 727402, 1454804, 1818505, 3637010, 7274020]

約数ペア:

[(1, 7274020), (2, 3637010), (4, 1818505), (5, 1454804), (10, 727402), (13, 559540), (20, 363701), (26, 279770), (52, 139885), (65, 111908), (101, 72020), (130, 55954), (202, 36010), (260, 27977), (277, 26260), (404, 18005), (505, 14404), (554, 13130), (1010, 7202), (1108, 6565), (1313, 5540), (1385, 5252), (2020, 3601), (2626, 2770)]