28013030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2417}}^1$

素因数の和:2504

約数の個数: 32

約数和(自身を含む): 53969760

約数和(自身を除く): 25956730

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 2417, 4834, 5795, 11590, 12085, 24170, 45923, 91846, 147437, 229615, 294874, 459230, 737185, 1474370, 2801303, 5602606, 14006515, 28013030]

約数ペア:

[(1, 28013030), (2, 14006515), (5, 5602606), (10, 2801303), (19, 1474370), (38, 737185), (61, 459230), (95, 294874), (122, 229615), (190, 147437), (305, 91846), (610, 45923), (1159, 24170), (2318, 12085), (2417, 11590), (4834, 5795)]