400860176

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{69401}}^1$

素因数の和:69447

約数の個数: 30

約数和(自身を含む): 819707022

約数和(自身を除く): 418846846

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 69401, 138802, 277604, 555208, 1110416, 1318619, 2637238, 5274476, 10548952, 21097904, 25053761, 50107522, 100215044, 200430088, 400860176]

約数ペア:

[(1, 400860176), (2, 200430088), (4, 100215044), (8, 50107522), (16, 25053761), (19, 21097904), (38, 10548952), (76, 5274476), (152, 2637238), (304, 1318619), (361, 1110416), (722, 555208), (1444, 277604), (2888, 138802), (5776, 69401)]