199440180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1108001}}^1$

素因数の和:1108016

約数の個数: 36

約数和(自身を含む): 604969092

約数和(自身を除く): 405528912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1108001, 2216002, 3324003, 4432004, 5540005, 6648006, 9972009, 11080010, 13296012, 16620015, 19944018, 22160020, 33240030, 39888036, 49860045, 66480060, 99720090, 199440180]

約数ペア:

[(1, 199440180), (2, 99720090), (3, 66480060), (4, 49860045), (5, 39888036), (6, 33240030), (9, 22160020), (10, 19944018), (12, 16620015), (15, 13296012), (18, 11080010), (20, 9972009), (30, 6648006), (36, 5540005), (45, 4432004), (60, 3324003), (90, 2216002), (180, 1108001)]