49883940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 151901568

約数和(自身を除く): 102017628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 643, 862, 1286, 1293, 1724, 1929, 2155, 2572, 2586, 3215, 3858, 3879, 4310, 5172, 5787, 6430, 6465, 7716, 7758, 8620, 9645, 11574, 12860, 12930, 15516, 19290, 19395, 23148, 25860, 28935, 38580, 38790, 57870, 77580, 115740, 277133, 554266, 831399, 1108532, 1385665, 1662798, 2494197, 2771330, 3325596, 4156995, 4988394, 5542660, 8313990, 9976788, 12470985, 16627980, 24941970, 49883940]

約数ペア:

[(1, 49883940), (2, 24941970), (3, 16627980), (4, 12470985), (5, 9976788), (6, 8313990), (9, 5542660), (10, 4988394), (12, 4156995), (15, 3325596), (18, 2771330), (20, 2494197), (30, 1662798), (36, 1385665), (45, 1108532), (60, 831399), (90, 554266), (180, 277133), (431, 115740), (643, 77580), (862, 57870), (1286, 38790), (1293, 38580), (1724, 28935), (1929, 25860), (2155, 23148), (2572, 19395), (2586, 19290), (3215, 15516), (3858, 12930), (3879, 12860), (4310, 11574), (5172, 9645), (5787, 8620), (6430, 7758), (6465, 7716)]