208515420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1158419}}^1$

素因数の和:1158434

約数の個数: 36

約数和(自身を含む): 632497320

約数和(自身を除く): 423981900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1158419, 2316838, 3475257, 4633676, 5792095, 6950514, 10425771, 11584190, 13901028, 17376285, 20851542, 23168380, 34752570, 41703084, 52128855, 69505140, 104257710, 208515420]

約数ペア:

[(1, 208515420), (2, 104257710), (3, 69505140), (4, 52128855), (5, 41703084), (6, 34752570), (9, 23168380), (10, 20851542), (12, 17376285), (15, 13901028), (18, 11584190), (20, 10425771), (30, 6950514), (36, 5792095), (45, 4633676), (60, 3475257), (90, 2316838), (180, 1158419)]