207930100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2137}}^1$

素因数の和:2297

約数の個数: 72

約数和(自身を含む): 519619520

約数和(自身を除く): 311689420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 139, 140, 175, 278, 350, 556, 695, 700, 973, 1390, 1946, 2137, 2780, 3475, 3892, 4274, 4865, 6950, 8548, 9730, 10685, 13900, 14959, 19460, 21370, 24325, 29918, 42740, 48650, 53425, 59836, 74795, 97300, 106850, 149590, 213700, 297043, 299180, 373975, 594086, 747950, 1188172, 1485215, 1495900, 2079301, 2970430, 4158602, 5940860, 7426075, 8317204, 10396505, 14852150, 20793010, 29704300, 41586020, 51982525, 103965050, 207930100]

約数ペア:

[(1, 207930100), (2, 103965050), (4, 51982525), (5, 41586020), (7, 29704300), (10, 20793010), (14, 14852150), (20, 10396505), (25, 8317204), (28, 7426075), (35, 5940860), (50, 4158602), (70, 2970430), (100, 2079301), (139, 1495900), (140, 1485215), (175, 1188172), (278, 747950), (350, 594086), (556, 373975), (695, 299180), (700, 297043), (973, 213700), (1390, 149590), (1946, 106850), (2137, 97300), (2780, 74795), (3475, 59836), (3892, 53425), (4274, 48650), (4865, 42740), (6950, 29918), (8548, 24325), (9730, 21370), (10685, 19460), (13900, 14959)]