400561884

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{28027}}^1$

素因数の和:28434

約数の個数: 36

約数和(自身を含む): 1015118104

約数和(自身を除く): 614556220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1588, 2382, 3573, 4764, 7146, 14292, 28027, 56054, 84081, 112108, 168162, 252243, 336324, 504486, 1008972, 11126719, 22253438, 33380157, 44506876, 66760314, 100140471, 133520628, 200280942, 400561884]

約数ペア:

[(1, 400561884), (2, 200280942), (3, 133520628), (4, 100140471), (6, 66760314), (9, 44506876), (12, 33380157), (18, 22253438), (36, 11126719), (397, 1008972), (794, 504486), (1191, 336324), (1588, 252243), (2382, 168162), (3573, 112108), (4764, 84081), (7146, 56054), (14292, 28027)]