172940430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443437}}^1$

素因数の和:443460

約数の個数: 32

約数和(自身を含む): 446985504

約数和(自身を除く): 274045074

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 443437, 886874, 1330311, 2217185, 2660622, 4434370, 5764681, 6651555, 11529362, 13303110, 17294043, 28823405, 34588086, 57646810, 86470215, 172940430]

約数ペア:

[(1, 172940430), (2, 86470215), (3, 57646810), (5, 34588086), (6, 28823405), (10, 17294043), (13, 13303110), (15, 11529362), (26, 6651555), (30, 5764681), (39, 4434370), (65, 2660622), (78, 2217185), (130, 1330311), (195, 886874), (390, 443437)]