278226090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{343489}}^1$

素因数の和:343508

約数の個数: 40

約数和(自身を含む): 748121220

約数和(自身を除く): 469895130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 343489, 686978, 1030467, 1717445, 2060934, 3091401, 3434890, 5152335, 6182802, 9274203, 10304670, 15457005, 18548406, 27822609, 30914010, 46371015, 55645218, 92742030, 139113045, 278226090]

約数ペア:

[(1, 278226090), (2, 139113045), (3, 92742030), (5, 55645218), (6, 46371015), (9, 30914010), (10, 27822609), (15, 18548406), (18, 15457005), (27, 10304670), (30, 9274203), (45, 6182802), (54, 5152335), (81, 3434890), (90, 3091401), (135, 2060934), (162, 1717445), (270, 1030467), (405, 686978), (810, 343489)]