78877550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1051}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 156537600

約数和(自身を除く): 77660050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 158, 190, 395, 475, 790, 950, 1051, 1501, 1975, 2102, 3002, 3950, 5255, 7505, 10510, 15010, 19969, 26275, 37525, 39938, 52550, 75050, 83029, 99845, 166058, 199690, 415145, 499225, 830290, 998450, 1577551, 2075725, 3155102, 4151450, 7887755, 15775510, 39438775, 78877550]

約数ペア:

[(1, 78877550), (2, 39438775), (5, 15775510), (10, 7887755), (19, 4151450), (25, 3155102), (38, 2075725), (50, 1577551), (79, 998450), (95, 830290), (158, 499225), (190, 415145), (395, 199690), (475, 166058), (790, 99845), (950, 83029), (1051, 75050), (1501, 52550), (1975, 39938), (2102, 37525), (3002, 26275), (3950, 19969), (5255, 15010), (7505, 10510)]