38917420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3947}}^1$

素因数の和:4002

約数の個数: 48

約数和(自身を含む): 89540640

約数和(自身を除く): 50623220

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 3947, 4930, 7894, 9860, 15788, 19735, 39470, 67099, 78940, 114463, 134198, 228926, 268396, 335495, 457852, 572315, 670990, 1144630, 1341980, 1945871, 2289260, 3891742, 7783484, 9729355, 19458710, 38917420]

約数ペア:

[(1, 38917420), (2, 19458710), (4, 9729355), (5, 7783484), (10, 3891742), (17, 2289260), (20, 1945871), (29, 1341980), (34, 1144630), (58, 670990), (68, 572315), (85, 457852), (116, 335495), (145, 268396), (170, 228926), (290, 134198), (340, 114463), (493, 78940), (580, 67099), (986, 39470), (1972, 19735), (2465, 15788), (3947, 9860), (4930, 7894)]