2009779835

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{541}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 2869434720

約数和(自身を除く): 859654885

約数列:

[1, 5, 7, 35, 49, 59, 245, 257, 295, 413, 541, 1285, 1799, 2065, 2705, 2891, 3787, 8995, 12593, 14455, 15163, 18935, 26509, 31919, 62965, 75815, 106141, 132545, 139037, 159595, 223433, 530705, 695185, 742987, 973259, 1117165, 1564031, 3714935, 4866295, 6812813, 7820155, 8203183, 34064065, 41015915, 57422281, 287111405, 401955967, 2009779835]

約数ペア:

[(1, 2009779835), (5, 401955967), (7, 287111405), (35, 57422281), (49, 41015915), (59, 34064065), (245, 8203183), (257, 7820155), (295, 6812813), (413, 4866295), (541, 3714935), (1285, 1564031), (1799, 1117165), (2065, 973259), (2705, 742987), (2891, 695185), (3787, 530705), (8995, 223433), (12593, 159595), (14455, 139037), (15163, 132545), (18935, 106141), (26509, 75815), (31919, 62965)]