115219400

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{6473}}^1$

素因数の和:6578

約数の個数: 48

約数和(自身を含む): 270936900

約数和(自身を除く): 155717500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1780, 2225, 3560, 4450, 6473, 8900, 12946, 17800, 25892, 32365, 51784, 64730, 129460, 161825, 258920, 323650, 576097, 647300, 1152194, 1294600, 2304388, 2880485, 4608776, 5760970, 11521940, 14402425, 23043880, 28804850, 57609700, 115219400]

約数ペア:

[(1, 115219400), (2, 57609700), (4, 28804850), (5, 23043880), (8, 14402425), (10, 11521940), (20, 5760970), (25, 4608776), (40, 2880485), (50, 2304388), (89, 1294600), (100, 1152194), (178, 647300), (200, 576097), (356, 323650), (445, 258920), (712, 161825), (890, 129460), (1780, 64730), (2225, 51784), (3560, 32365), (4450, 25892), (6473, 17800), (8900, 12946)]