39919140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{221773}}^1$

素因数の和:221788

約数の個数: 36

約数和(自身を含む): 121088604

約数和(自身を除く): 81169464

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 221773, 443546, 665319, 887092, 1108865, 1330638, 1995957, 2217730, 2661276, 3326595, 3991914, 4435460, 6653190, 7983828, 9979785, 13306380, 19959570, 39919140]

約数ペア:

[(1, 39919140), (2, 19959570), (3, 13306380), (4, 9979785), (5, 7983828), (6, 6653190), (9, 4435460), (10, 3991914), (12, 3326595), (15, 2661276), (18, 2217730), (20, 1995957), (30, 1330638), (36, 1108865), (45, 887092), (60, 665319), (90, 443546), (180, 221773)]