3191440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 8749440

約数和(自身を除く): 5558000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 139, 140, 164, 205, 278, 280, 287, 328, 410, 556, 560, 574, 656, 695, 820, 973, 1112, 1148, 1390, 1435, 1640, 1946, 2224, 2296, 2780, 2870, 3280, 3892, 4592, 4865, 5560, 5699, 5740, 7784, 9730, 11120, 11398, 11480, 15568, 19460, 22796, 22960, 28495, 38920, 39893, 45592, 56990, 77840, 79786, 91184, 113980, 159572, 199465, 227960, 319144, 398930, 455920, 638288, 797860, 1595720, 3191440]

約数ペア:

[(1, 3191440), (2, 1595720), (4, 797860), (5, 638288), (7, 455920), (8, 398930), (10, 319144), (14, 227960), (16, 199465), (20, 159572), (28, 113980), (35, 91184), (40, 79786), (41, 77840), (56, 56990), (70, 45592), (80, 39893), (82, 38920), (112, 28495), (139, 22960), (140, 22796), (164, 19460), (205, 15568), (278, 11480), (280, 11398), (287, 11120), (328, 9730), (410, 7784), (556, 5740), (560, 5699), (574, 5560), (656, 4865), (695, 4592), (820, 3892), (973, 3280), (1112, 2870), (1148, 2780), (1390, 2296), (1435, 2224), (1640, 1946)]