2078122975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 2719825920

約数和(自身を除く): 641702945

約数列:

[1, 5, 25, 31, 101, 139, 155, 191, 505, 695, 775, 955, 2525, 3131, 3475, 4309, 4775, 5921, 14039, 15655, 19291, 21545, 26549, 29605, 70195, 78275, 96455, 107725, 132745, 148025, 350975, 435209, 482275, 598021, 663725, 823019, 2176045, 2681449, 2990105, 4115095, 10880225, 13407245, 14950525, 20575475, 67036225, 83124919, 415624595, 2078122975]

約数ペア:

[(1, 2078122975), (5, 415624595), (25, 83124919), (31, 67036225), (101, 20575475), (139, 14950525), (155, 13407245), (191, 10880225), (505, 4115095), (695, 2990105), (775, 2681449), (955, 2176045), (2525, 823019), (3131, 663725), (3475, 598021), (4309, 482275), (4775, 435209), (5921, 350975), (14039, 148025), (15655, 132745), (19291, 107725), (21545, 96455), (26549, 78275), (29605, 70195)]