210826260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{390419}}^1$

素因数の和:390437

約数の個数: 48

約数和(自身を含む): 655905600

約数和(自身を除く): 445079340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 390419, 780838, 1171257, 1561676, 1952095, 2342514, 3513771, 3904190, 4685028, 5856285, 7027542, 7808380, 10541313, 11712570, 14055084, 17568855, 21082626, 23425140, 35137710, 42165252, 52706565, 70275420, 105413130, 210826260]

約数ペア:

[(1, 210826260), (2, 105413130), (3, 70275420), (4, 52706565), (5, 42165252), (6, 35137710), (9, 23425140), (10, 21082626), (12, 17568855), (15, 14055084), (18, 11712570), (20, 10541313), (27, 7808380), (30, 7027542), (36, 5856285), (45, 4685028), (54, 3904190), (60, 3513771), (90, 2342514), (108, 1952095), (135, 1561676), (180, 1171257), (270, 780838), (540, 390419)]