77644420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79229}}^1$

素因数の和:79252

約数の個数: 36

約数和(自身を含む): 189676620

約数和(自身を除く): 112032200

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79229, 158458, 316916, 396145, 554603, 792290, 1109206, 1584580, 2218412, 2773015, 3882221, 5546030, 7764442, 11092060, 15528884, 19411105, 38822210, 77644420]

約数ペア:

[(1, 77644420), (2, 38822210), (4, 19411105), (5, 15528884), (7, 11092060), (10, 7764442), (14, 5546030), (20, 3882221), (28, 2773015), (35, 2218412), (49, 1584580), (70, 1109206), (98, 792290), (140, 554603), (196, 396145), (245, 316916), (490, 158458), (980, 79229)]