399321790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{29867}}^1$

素因数の和:30072

約数の個数: 32

約数和(自身を含む): 825790464

約数和(自身を除く): 426468674

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 191, 382, 955, 1337, 1910, 2674, 6685, 13370, 29867, 59734, 149335, 209069, 298670, 418138, 1045345, 2090690, 5704597, 11409194, 28522985, 39932179, 57045970, 79864358, 199660895, 399321790]

約数ペア:

[(1, 399321790), (2, 199660895), (5, 79864358), (7, 57045970), (10, 39932179), (14, 28522985), (35, 11409194), (70, 5704597), (191, 2090690), (382, 1045345), (955, 418138), (1337, 298670), (1910, 209069), (2674, 149335), (6685, 59734), (13370, 29867)]