209880900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{233201}}^1$

素因数の和:233221

約数の個数: 54

約数和(自身を含む): 657862842

約数和(自身を除く): 447981942

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 233201, 466402, 699603, 932804, 1166005, 1399206, 2098809, 2332010, 2798412, 3498015, 4197618, 4664020, 5830025, 6996030, 8395236, 10494045, 11660050, 13992060, 17490075, 20988090, 23320100, 34980150, 41976180, 52470225, 69960300, 104940450, 209880900]

約数ペア:

[(1, 209880900), (2, 104940450), (3, 69960300), (4, 52470225), (5, 41976180), (6, 34980150), (9, 23320100), (10, 20988090), (12, 17490075), (15, 13992060), (18, 11660050), (20, 10494045), (25, 8395236), (30, 6996030), (36, 5830025), (45, 4664020), (50, 4197618), (60, 3498015), (75, 2798412), (90, 2332010), (100, 2098809), (150, 1399206), (180, 1166005), (225, 932804), (300, 699603), (450, 466402), (900, 233201)]