977180180

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{204431}}^1$

素因数の和:204679

約数の個数: 24

約数和(自身を含む): 2060674560

約数和(自身を除く): 1083494380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 204431, 408862, 817724, 1022155, 2044310, 4088620, 48859009, 97718018, 195436036, 244295045, 488590090, 977180180]

約数ペア:

[(1, 977180180), (2, 488590090), (4, 244295045), (5, 195436036), (10, 97718018), (20, 48859009), (239, 4088620), (478, 2044310), (956, 1022155), (1195, 817724), (2390, 408862), (4780, 204431)]