2078400890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6704519}}^1$

素因数の和:6704557

約数の個数: 16

約数和(自身を含む): 3861803520

約数和(自身を除く): 1783402630

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6704519, 13409038, 33522595, 67045190, 207840089, 415680178, 1039200445, 2078400890]

約数ペア:

[(1, 2078400890), (2, 1039200445), (5, 415680178), (10, 207840089), (31, 67045190), (62, 33522595), (155, 13409038), (310, 6704519)]