168804860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1205749}}^1$

素因数の和:1205765

約数の個数: 24

約数和(自身を含む): 405132000

約数和(自身を除く): 236327140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1205749, 2411498, 4822996, 6028745, 8440243, 12057490, 16880486, 24114980, 33760972, 42201215, 84402430, 168804860]

約数ペア:

[(1, 168804860), (2, 84402430), (4, 42201215), (5, 33760972), (7, 24114980), (10, 16880486), (14, 12057490), (20, 8440243), (28, 6028745), (35, 4822996), (70, 2411498), (140, 1205749)]