797860

素因数分解:

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

素因数の和:196

約数の個数: 48

約数和(自身を含む): 1975680

約数和(自身を除く): 1177820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 139, 140, 164, 205, 278, 287, 410, 556, 574, 695, 820, 973, 1148, 1390, 1435, 1946, 2780, 2870, 3892, 4865, 5699, 5740, 9730, 11398, 19460, 22796, 28495, 39893, 56990, 79786, 113980, 159572, 199465, 398930, 797860]

約数ペア:

[(1, 797860), (2, 398930), (4, 199465), (5, 159572), (7, 113980), (10, 79786), (14, 56990), (20, 39893), (28, 28495), (35, 22796), (41, 19460), (70, 11398), (82, 9730), (139, 5740), (140, 5699), (164, 4865), (205, 3892), (278, 2870), (287, 2780), (410, 1946), (556, 1435), (574, 1390), (695, 1148), (820, 973)]