720092002

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 1303868160

約数和(自身を除く): 583776158

約数列:

[1, 2, 7, 14, 37, 73, 74, 137, 139, 146, 259, 274, 278, 511, 518, 959, 973, 1022, 1918, 1946, 2701, 5069, 5143, 5402, 10001, 10138, 10147, 10286, 18907, 19043, 20002, 20294, 35483, 36001, 37814, 38086, 70007, 70966, 71029, 72002, 133301, 140014, 142058, 266602, 370037, 375439, 704591, 740074, 750878, 1390139, 1409182, 2590259, 2628073, 2780278, 4932137, 5180518, 5256146, 9730973, 9864274, 19461946, 51435143, 102870286, 360046001, 720092002]

約数ペア:

[(1, 720092002), (2, 360046001), (7, 102870286), (14, 51435143), (37, 19461946), (73, 9864274), (74, 9730973), (137, 5256146), (139, 5180518), (146, 4932137), (259, 2780278), (274, 2628073), (278, 2590259), (511, 1409182), (518, 1390139), (959, 750878), (973, 740074), (1022, 704591), (1918, 375439), (1946, 370037), (2701, 266602), (5069, 142058), (5143, 140014), (5402, 133301), (10001, 72002), (10138, 71029), (10147, 70966), (10286, 70007), (18907, 38086), (19043, 37814), (20002, 36001), (20294, 35483)]