7790950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 15624000

約数和(自身を除く): 7833050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 139, 190, 278, 295, 475, 590, 695, 950, 1121, 1390, 1475, 2242, 2641, 2950, 3475, 5282, 5605, 6950, 8201, 11210, 13205, 16402, 26410, 28025, 41005, 56050, 66025, 82010, 132050, 155819, 205025, 311638, 410050, 779095, 1558190, 3895475, 7790950]

約数ペア:

[(1, 7790950), (2, 3895475), (5, 1558190), (10, 779095), (19, 410050), (25, 311638), (38, 205025), (50, 155819), (59, 132050), (95, 82010), (118, 66025), (139, 56050), (190, 41005), (278, 28025), (295, 26410), (475, 16402), (590, 13205), (695, 11210), (950, 8201), (1121, 6950), (1390, 5605), (1475, 5282), (2242, 3475), (2641, 2950)]