389804940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{103123}}^1$

素因数の和:103148

約数の個数: 96

約数和(自身を含む): 1385986560

約数和(自身を除く): 996181620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 103123, 206246, 309369, 412492, 515615, 618738, 721861, 928107, 1031230, 1237476, 1443722, 1546845, 1856214, 2062460, 2165583, 2784321, 2887444, 3093690, 3609305, 3712428, 4331166, 4640535, 5568642, 6187380, 6496749, 7218610, 8662332, 9281070, 10827915, 11137284, 12993498, 13921605, 14437220, 18562140, 19490247, 21655830, 25986996, 27843210, 32483745, 38980494, 43311660, 55686420, 64967490, 77960988, 97451235, 129934980, 194902470, 389804940]

約数ペア:

[(1, 389804940), (2, 194902470), (3, 129934980), (4, 97451235), (5, 77960988), (6, 64967490), (7, 55686420), (9, 43311660), (10, 38980494), (12, 32483745), (14, 27843210), (15, 25986996), (18, 21655830), (20, 19490247), (21, 18562140), (27, 14437220), (28, 13921605), (30, 12993498), (35, 11137284), (36, 10827915), (42, 9281070), (45, 8662332), (54, 7218610), (60, 6496749), (63, 6187380), (70, 5568642), (84, 4640535), (90, 4331166), (105, 3712428), (108, 3609305), (126, 3093690), (135, 2887444), (140, 2784321), (180, 2165583), (189, 2062460), (210, 1856214), (252, 1546845), (270, 1443722), (315, 1237476), (378, 1031230), (420, 928107), (540, 721861), (630, 618738), (756, 515615), (945, 412492), (1260, 309369), (1890, 206246), (3780, 103123)]