389200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{139}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 1076320

約数和(自身を除く): 687120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 139, 140, 175, 200, 278, 280, 350, 400, 556, 560, 695, 700, 973, 1112, 1390, 1400, 1946, 2224, 2780, 2800, 3475, 3892, 4865, 5560, 6950, 7784, 9730, 11120, 13900, 15568, 19460, 24325, 27800, 38920, 48650, 55600, 77840, 97300, 194600, 389200]

約数ペア:

[(1, 389200), (2, 194600), (4, 97300), (5, 77840), (7, 55600), (8, 48650), (10, 38920), (14, 27800), (16, 24325), (20, 19460), (25, 15568), (28, 13900), (35, 11120), (40, 9730), (50, 7784), (56, 6950), (70, 5560), (80, 4865), (100, 3892), (112, 3475), (139, 2800), (140, 2780), (175, 2224), (200, 1946), (278, 1400), (280, 1390), (350, 1112), (400, 973), (556, 700), (560, 695)]