28002070

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 51788160

約数和(自身を除く): 23786090

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 431, 445, 730, 862, 890, 2155, 4310, 6497, 12994, 31463, 32485, 38359, 62926, 64970, 76718, 157315, 191795, 314630, 383590, 2800207, 5600414, 14001035, 28002070]

約数ペア:

[(1, 28002070), (2, 14001035), (5, 5600414), (10, 2800207), (73, 383590), (89, 314630), (146, 191795), (178, 157315), (365, 76718), (431, 64970), (445, 62926), (730, 38359), (862, 32485), (890, 31463), (2155, 12994), (4310, 6497)]