202921780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{114001}}^1$

素因数の和:114099

約数の個数: 24

約数和(自身を含む): 430927560

約数和(自身を除く): 228005780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 114001, 228002, 456004, 570005, 1140010, 2280020, 10146089, 20292178, 40584356, 50730445, 101460890, 202921780]

約数ペア:

[(1, 202921780), (2, 101460890), (4, 50730445), (5, 40584356), (10, 20292178), (20, 10146089), (89, 2280020), (178, 1140010), (356, 570005), (445, 456004), (890, 228002), (1780, 114001)]