449969090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{4091}}^1$

素因数の和:4762

約数の個数: 32

約数和(自身を含む): 859123584

約数和(自身を除く): 409154494

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 647, 1294, 3235, 4091, 6470, 8182, 10999, 20455, 21998, 40910, 54995, 69547, 109990, 139094, 347735, 695470, 2646877, 5293754, 13234385, 26468770, 44996909, 89993818, 224984545, 449969090]

約数ペア:

[(1, 449969090), (2, 224984545), (5, 89993818), (10, 44996909), (17, 26468770), (34, 13234385), (85, 5293754), (170, 2646877), (647, 695470), (1294, 347735), (3235, 139094), (4091, 109990), (6470, 69547), (8182, 54995), (10999, 40910), (20455, 21998)]