206974780

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{45191}}^1$

素因数の和:45429

約数の個数: 24

約数和(自身を含む): 436554720

約数和(自身を除く): 229579940

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 45191, 90382, 180764, 225955, 451910, 903820, 10348739, 20697478, 41394956, 51743695, 103487390, 206974780]

約数ペア:

[(1, 206974780), (2, 103487390), (4, 51743695), (5, 41394956), (10, 20697478), (20, 10348739), (229, 903820), (458, 451910), (916, 225955), (1145, 180764), (2290, 90382), (4580, 45191)]