212820210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{262741}}^1$

素因数の和:262760

約数の個数: 40

約数和(自身を含む): 572252076

約数和(自身を除く): 359431866

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 262741, 525482, 788223, 1313705, 1576446, 2364669, 2627410, 3941115, 4729338, 7094007, 7882230, 11823345, 14188014, 21282021, 23646690, 35470035, 42564042, 70940070, 106410105, 212820210]

約数ペア:

[(1, 212820210), (2, 106410105), (3, 70940070), (5, 42564042), (6, 35470035), (9, 23646690), (10, 21282021), (15, 14188014), (18, 11823345), (27, 7882230), (30, 7094007), (45, 4729338), (54, 3941115), (81, 2627410), (90, 2364669), (135, 1576446), (162, 1313705), (270, 788223), (405, 525482), (810, 262741)]