209019780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{14699}}^1$

素因数の和:14793

約数の個数: 72

約数和(自身を含む): 642096000

約数和(自身を除く): 433076220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 14699, 29398, 44097, 58796, 73495, 88194, 132291, 146990, 176388, 220485, 264582, 293980, 440970, 529164, 661455, 881940, 1161221, 1322910, 2322442, 2645820, 3483663, 4644884, 5806105, 6967326, 10450989, 11612210, 13934652, 17418315, 20901978, 23224420, 34836630, 41803956, 52254945, 69673260, 104509890, 209019780]

約数ペア:

[(1, 209019780), (2, 104509890), (3, 69673260), (4, 52254945), (5, 41803956), (6, 34836630), (9, 23224420), (10, 20901978), (12, 17418315), (15, 13934652), (18, 11612210), (20, 10450989), (30, 6967326), (36, 5806105), (45, 4644884), (60, 3483663), (79, 2645820), (90, 2322442), (158, 1322910), (180, 1161221), (237, 881940), (316, 661455), (395, 529164), (474, 440970), (711, 293980), (790, 264582), (948, 220485), (1185, 176388), (1422, 146990), (1580, 132291), (2370, 88194), (2844, 73495), (3555, 58796), (4740, 44097), (7110, 29398), (14220, 14699)]