198367040

素因数分解:

$2^6\times 5^1\times {\mathrm{619897}}^1$

素因数の和:619914

約数の個数: 28

約数和(自身を含む): 472362276

約数和(自身を除く): 273995236

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 619897, 1239794, 2479588, 3099485, 4959176, 6198970, 9918352, 12397940, 19836704, 24795880, 39673408, 49591760, 99183520, 198367040]

約数ペア:

[(1, 198367040), (2, 99183520), (4, 49591760), (5, 39673408), (8, 24795880), (10, 19836704), (16, 12397940), (20, 9918352), (32, 6198970), (40, 4959176), (64, 3099485), (80, 2479588), (160, 1239794), (320, 619897)]