135539980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3947}}^1$

素因数の和:4074

約数の個数: 48

約数和(自身を含む): 304438176

約数和(自身を除く): 168898196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 2020, 3434, 3947, 6868, 7894, 8585, 15788, 17170, 19735, 34340, 39470, 67099, 78940, 134198, 268396, 335495, 398647, 670990, 797294, 1341980, 1594588, 1993235, 3986470, 6776999, 7972940, 13553998, 27107996, 33884995, 67769990, 135539980]

約数ペア:

[(1, 135539980), (2, 67769990), (4, 33884995), (5, 27107996), (10, 13553998), (17, 7972940), (20, 6776999), (34, 3986470), (68, 1993235), (85, 1594588), (101, 1341980), (170, 797294), (202, 670990), (340, 398647), (404, 335495), (505, 268396), (1010, 134198), (1717, 78940), (2020, 67099), (3434, 39470), (3947, 34340), (6868, 19735), (7894, 17170), (8585, 15788)]