79778900

素因数分解:

$2^2\times 5^2\times {\mathrm{383}}^1\times {\mathrm{2083}}^1$

素因数の和:2480

約数の個数: 36

約数和(自身を含む): 173655552

約数和(自身を除く): 93876652

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 383, 766, 1532, 1915, 2083, 3830, 4166, 7660, 8332, 9575, 10415, 19150, 20830, 38300, 41660, 52075, 104150, 208300, 797789, 1595578, 3191156, 3988945, 7977890, 15955780, 19944725, 39889450, 79778900]

約数ペア:

[(1, 79778900), (2, 39889450), (4, 19944725), (5, 15955780), (10, 7977890), (20, 3988945), (25, 3191156), (50, 1595578), (100, 797789), (383, 208300), (766, 104150), (1532, 52075), (1915, 41660), (2083, 38300), (3830, 20830), (4166, 19150), (7660, 10415), (8332, 9575)]