67219540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 144353664

約数和(自身を除く): 77134124

約数列:

[1, 2, 4, 5, 10, 20, 101, 107, 202, 214, 311, 404, 428, 505, 535, 622, 1010, 1070, 1244, 1555, 2020, 2140, 3110, 6220, 10807, 21614, 31411, 33277, 43228, 54035, 62822, 66554, 108070, 125644, 133108, 157055, 166385, 216140, 314110, 332770, 628220, 665540, 3360977, 6721954, 13443908, 16804885, 33609770, 67219540]

約数ペア:

[(1, 67219540), (2, 33609770), (4, 16804885), (5, 13443908), (10, 6721954), (20, 3360977), (101, 665540), (107, 628220), (202, 332770), (214, 314110), (311, 216140), (404, 166385), (428, 157055), (505, 133108), (535, 125644), (622, 108070), (1010, 66554), (1070, 62822), (1244, 54035), (1555, 43228), (2020, 33277), (2140, 31411), (3110, 21614), (6220, 10807)]