168985880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{603521}}^1$

素因数の和:603539

約数の個数: 32

約数和(自身を含む): 434535840

約数和(自身を除く): 265549960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 603521, 1207042, 2414084, 3017605, 4224647, 4828168, 6035210, 8449294, 12070420, 16898588, 21123235, 24140840, 33797176, 42246470, 84492940, 168985880]

約数ペア:

[(1, 168985880), (2, 84492940), (4, 42246470), (5, 33797176), (7, 24140840), (8, 21123235), (10, 16898588), (14, 12070420), (20, 8449294), (28, 6035210), (35, 4828168), (40, 4224647), (56, 3017605), (70, 2414084), (140, 1207042), (280, 603521)]