47540780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 117306000

約数和(自身を除く): 69765220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 349, 490, 556, 695, 698, 973, 980, 1390, 1396, 1745, 1946, 2443, 2780, 3490, 3892, 4865, 4886, 6811, 6980, 9730, 9772, 12215, 13622, 17101, 19460, 24430, 27244, 34055, 34202, 48511, 48860, 68110, 68404, 85505, 97022, 136220, 171010, 194044, 242555, 339577, 342020, 485110, 679154, 970220, 1358308, 1697885, 2377039, 3395770, 4754078, 6791540, 9508156, 11885195, 23770390, 47540780]

約数ペア:

[(1, 47540780), (2, 23770390), (4, 11885195), (5, 9508156), (7, 6791540), (10, 4754078), (14, 3395770), (20, 2377039), (28, 1697885), (35, 1358308), (49, 970220), (70, 679154), (98, 485110), (139, 342020), (140, 339577), (196, 242555), (245, 194044), (278, 171010), (349, 136220), (490, 97022), (556, 85505), (695, 68404), (698, 68110), (973, 48860), (980, 48511), (1390, 34202), (1396, 34055), (1745, 27244), (1946, 24430), (2443, 19460), (2780, 17101), (3490, 13622), (3892, 12215), (4865, 9772), (4886, 9730), (6811, 6980)]