153600400

素因数分解:

$2^4\times 5^2\times {\mathrm{384001}}^1$

素因数の和:384019

約数の個数: 30

約数和(自身を含む): 369025922

約数和(自身を除く): 215425522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 384001, 768002, 1536004, 1920005, 3072008, 3840010, 6144016, 7680020, 9600025, 15360040, 19200050, 30720080, 38400100, 76800200, 153600400]

約数ペア:

[(1, 153600400), (2, 76800200), (4, 38400100), (5, 30720080), (8, 19200050), (10, 15360040), (16, 9600025), (20, 7680020), (25, 6144016), (40, 3840010), (50, 3072008), (80, 1920005), (100, 1536004), (200, 768002), (400, 384001)]