388830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 1005984

約数和(自身を除く): 617154

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 997, 1994, 2991, 4985, 5982, 9970, 12961, 14955, 25922, 29910, 38883, 64805, 77766, 129610, 194415, 388830]

約数ペア:

[(1, 388830), (2, 194415), (3, 129610), (5, 77766), (6, 64805), (10, 38883), (13, 29910), (15, 25922), (26, 14955), (30, 12961), (39, 9970), (65, 5982), (78, 4985), (130, 2991), (195, 1994), (390, 997)]