163795380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{389989}}^1$

素因数の和:390008

約数の個数: 48

約数和(自身を含む): 524146560

約数和(自身を除く): 360351180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 389989, 779978, 1169967, 1559956, 1949945, 2339934, 2729923, 3899890, 4679868, 5459846, 5849835, 7799780, 8189769, 10919692, 11699670, 13649615, 16379538, 23399340, 27299230, 32759076, 40948845, 54598460, 81897690, 163795380]

約数ペア:

[(1, 163795380), (2, 81897690), (3, 54598460), (4, 40948845), (5, 32759076), (6, 27299230), (7, 23399340), (10, 16379538), (12, 13649615), (14, 11699670), (15, 10919692), (20, 8189769), (21, 7799780), (28, 5849835), (30, 5459846), (35, 4679868), (42, 3899890), (60, 2729923), (70, 2339934), (84, 1949945), (105, 1559956), (140, 1169967), (210, 779978), (420, 389989)]