2728830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6997}}^1$

素因数の和:7020

約数の個数: 32

約数和(自身を含む): 7053984

約数和(自身を除く): 4325154

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 6997, 13994, 20991, 34985, 41982, 69970, 90961, 104955, 181922, 209910, 272883, 454805, 545766, 909610, 1364415, 2728830]

約数ペア:

[(1, 2728830), (2, 1364415), (3, 909610), (5, 545766), (6, 454805), (10, 272883), (13, 209910), (15, 181922), (26, 104955), (30, 90961), (39, 69970), (65, 41982), (78, 34985), (130, 20991), (195, 13994), (390, 6997)]