1408660820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1437409}}^1$

素因数の和:1437432

約数の個数: 36

約数和(自身を含む): 3441159540

約数和(自身を除く): 2032498720

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1437409, 2874818, 5749636, 7187045, 10061863, 14374090, 20123726, 28748180, 40247452, 50309315, 70433041, 100618630, 140866082, 201237260, 281732164, 352165205, 704330410, 1408660820]

約数ペア:

[(1, 1408660820), (2, 704330410), (4, 352165205), (5, 281732164), (7, 201237260), (10, 140866082), (14, 100618630), (20, 70433041), (28, 50309315), (35, 40247452), (49, 28748180), (70, 20123726), (98, 14374090), (140, 10061863), (196, 7187045), (245, 5749636), (490, 2874818), (980, 1437409)]