397961170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{6983}}^1$

素因数の和:7170

約数の個数: 32

約数和(自身を含む): 739186560

約数和(自身を除く): 341225390

約数列:

[1, 2, 5, 10, 41, 82, 139, 205, 278, 410, 695, 1390, 5699, 6983, 11398, 13966, 28495, 34915, 56990, 69830, 286303, 572606, 970637, 1431515, 1941274, 2863030, 4853185, 9706370, 39796117, 79592234, 198980585, 397961170]

約数ペア:

[(1, 397961170), (2, 198980585), (5, 79592234), (10, 39796117), (41, 9706370), (82, 4853185), (139, 2863030), (205, 1941274), (278, 1431515), (410, 970637), (695, 572606), (1390, 286303), (5699, 69830), (6983, 56990), (11398, 34915), (13966, 28495)]