201474640

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28297}}^1$

素因数の和:28399

約数の個数: 40

約数和(自身を含む): 473708520

約数和(自身を除く): 272233880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 28297, 56594, 113188, 141485, 226376, 282970, 452752, 565940, 1131880, 2263760, 2518433, 5036866, 10073732, 12592165, 20147464, 25184330, 40294928, 50368660, 100737320, 201474640]

約数ペア:

[(1, 201474640), (2, 100737320), (4, 50368660), (5, 40294928), (8, 25184330), (10, 20147464), (16, 12592165), (20, 10073732), (40, 5036866), (80, 2518433), (89, 2263760), (178, 1131880), (356, 565940), (445, 452752), (712, 282970), (890, 226376), (1424, 141485), (1780, 113188), (3560, 56594), (7120, 28297)]