4846940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 11793600

約数和(自身を除く): 6946660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 389, 445, 623, 778, 890, 1246, 1556, 1780, 1945, 2492, 2723, 3115, 3890, 5446, 6230, 7780, 10892, 12460, 13615, 27230, 34621, 54460, 69242, 138484, 173105, 242347, 346210, 484694, 692420, 969388, 1211735, 2423470, 4846940]

約数ペア:

[(1, 4846940), (2, 2423470), (4, 1211735), (5, 969388), (7, 692420), (10, 484694), (14, 346210), (20, 242347), (28, 173105), (35, 138484), (70, 69242), (89, 54460), (140, 34621), (178, 27230), (356, 13615), (389, 12460), (445, 10892), (623, 7780), (778, 6230), (890, 5446), (1246, 3890), (1556, 3115), (1780, 2723), (1945, 2492)]