984948440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{25307}}^1$

素因数の和:25464

約数の個数: 64

約数和(自身を含む): 2551046400

約数和(自身を除く): 1566097960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5560, 7784, 9730, 19460, 25307, 38920, 50614, 101228, 126535, 177149, 202456, 253070, 354298, 506140, 708596, 885745, 1012280, 1417192, 1771490, 3517673, 3542980, 7035346, 7085960, 14070692, 17588365, 24623711, 28141384, 35176730, 49247422, 70353460, 98494844, 123118555, 140706920, 196989688, 246237110, 492474220, 984948440]

約数ペア:

[(1, 984948440), (2, 492474220), (4, 246237110), (5, 196989688), (7, 140706920), (8, 123118555), (10, 98494844), (14, 70353460), (20, 49247422), (28, 35176730), (35, 28141384), (40, 24623711), (56, 17588365), (70, 14070692), (139, 7085960), (140, 7035346), (278, 3542980), (280, 3517673), (556, 1771490), (695, 1417192), (973, 1012280), (1112, 885745), (1390, 708596), (1946, 506140), (2780, 354298), (3892, 253070), (4865, 202456), (5560, 177149), (7784, 126535), (9730, 101228), (19460, 50614), (25307, 38920)]