7978190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 16873920

約数和(自身を除く): 8895730

約数列:

[1, 2, 5, 10, 11, 22, 29, 41, 55, 58, 61, 82, 110, 122, 145, 205, 290, 305, 319, 410, 451, 610, 638, 671, 902, 1189, 1342, 1595, 1769, 2255, 2378, 2501, 3190, 3355, 3538, 4510, 5002, 5945, 6710, 8845, 11890, 12505, 13079, 17690, 19459, 25010, 26158, 27511, 38918, 55022, 65395, 72529, 97295, 130790, 137555, 145058, 194590, 275110, 362645, 725290, 797819, 1595638, 3989095, 7978190]

約数ペア:

[(1, 7978190), (2, 3989095), (5, 1595638), (10, 797819), (11, 725290), (22, 362645), (29, 275110), (41, 194590), (55, 145058), (58, 137555), (61, 130790), (82, 97295), (110, 72529), (122, 65395), (145, 55022), (205, 38918), (290, 27511), (305, 26158), (319, 25010), (410, 19459), (451, 17690), (610, 13079), (638, 12505), (671, 11890), (902, 8845), (1189, 6710), (1342, 5945), (1595, 5002), (1769, 4510), (2255, 3538), (2378, 3355), (2501, 3190)]