202197880

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{12007}}^1$

素因数の和:12439

約数の個数: 32

約数和(自身を含む): 456063840

約数和(自身を除く): 253865960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 12007, 16840, 24014, 48028, 60035, 96056, 120070, 240140, 480280, 5054947, 10109894, 20219788, 25274735, 40439576, 50549470, 101098940, 202197880]

約数ペア:

[(1, 202197880), (2, 101098940), (4, 50549470), (5, 40439576), (8, 25274735), (10, 20219788), (20, 10109894), (40, 5054947), (421, 480280), (842, 240140), (1684, 120070), (2105, 96056), (3368, 60035), (4210, 48028), (8420, 24014), (12007, 16840)]